In a cafeteria, a sandwich costs ‘s’ dollars and a drink costs ‘d’ dollars. If Tom buys 3 sandwiches and 2 drinks, and spends $20, which equation represents Tom’s purchases?

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Question 2 of 10

2. Question

Category: SAT Advanced Math

Consider the function g\left(d\right)=500{(0.75)}^d , which models the decay of a radioactive substance. The function represents the remaining quantity of the substance after d days, where d is the number of days since the start of an experiment. Given 0\le d\le10 , if z = g(d) is plotted on the dz-plane, which of the following interpretations best fits the z-intercept of the graph in this context?

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Question 3 of 10

3. Question

Category: SAT Problem Solving & Data Analysis

Which of the following is the median of the data set 12, 15, 18, 20, 20, 22, 25, 26?

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Question 4 of 10

4. Question

Category: SAT Algebra

What is the value of (x + y)² according to the solution of the below system of equations?

2x – y = 3
x + 2y = 4

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Question 5 of 10

5. Question

Category: SAT Advanced Math

The expression x = 2y² – k shows a relationship between variables x, y, and constant k. Which of the following equations expresses the variable y in terms of variable x and constant k?

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Question 6 of 10

6. Question

Category: SAT Problem Solving & Data Analysis

In a survey, 45% of participants preferred coffee over tea. If the survey included 500 participants, how many preferred coffee?

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Question 7 of 10

7. Question

Category: SAT Algebra

If the slope of a line is 2, then for what value of p another line 3x + py = 7 becomes perpendicular to the first line?

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Question 8 of 10

8. Question

Category: SAT Geometry & Trigonometry

Triangle ABC is similar to triangle DEF. If the length of AB is 6 cm and the length of DE is 9 cm, what is the length of BC if the length of EF is 13.5 cm ?

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Question 9 of 10

9. Question

Category: SAT Geometry & Trigonometry

In triangles XYZ and UVW, angles Y and V each have measure 30° and angles Z and W each have measure 45°. Which additional piece of information is sufficient to determine whether triangle XYZ is similar to triangle UVW?