If x increased by 15 is equal to 95, what is the value of x?

Correct

Incorrect

Question 2 of 10

2. Question

Alex is subscribing to an internet plan that offers a fixed monthly charge of $40 and an additional charge of $2 per gigabyte (gb of data used). If g represents the amount of data used in gigabytes, which equation represents the total cost “c,” in dollars, for the internet plan?

Correct

Incorrect

Question 3 of 10

3. Question

Samantha wants to buy a new smartphone that costs $450. She decides to make an initial payment of $150 and then pay the remaining amount in x monthly instalments of $30 each. Which of the following equations represents total cost of smartphone?

Correct

Incorrect

Question 4 of 10

4. Question

The above table displays the distribution of household expenses in a family for a month. What is the highest dollar amount of monthly spending of the family?

Correct

Incorrect

Question 5 of 10

5. Question

Suppose a line passes through the point (3, -2) and is perpendicular to the line y = 5x – 7. What is the equation of the line?

Correct

Incorrect

Question 6 of 10

6. Question

The concentration C(t) of a drug in the bloodstream t hours after being administered is given by the function:

C\left(t\right)=5\left(3\right)^\frac{t}{5}

How many hours after the drug is administered will the concentration in the bloodstream be 15 units?

Correct

Incorrect

Question 7 of 10

7. Question

A bookstore sells bookmarks made from a spool of ribbon. If 2 inches of ribbon can make 5 bookmarks, and there are 36 inches of ribbon remaining on the spool, how many bookmarks can be made?

Correct

Incorrect

Question 8 of 10

8. Question

In the pair of similar triangles ABC and DEF, angle A mirrors angle D, with both triangles having B and E as their respective right angles. Given that the tangent of angle A is \frac{3}{4} , what would the tangent of angle D be?

Correct

Incorrect

Question 9 of 10

9. Question

Consider the non-linear equation \sqrt{\left(x^2+8\right)}=\sqrt{\left(7x-2\right)} . What is the smallest solution for the equation?

Correct

Incorrect

Question 10 of 10

10. Question

A rectangular swimming pool measures 10 meters in length, 6 meters in width, and 2 meters in depth. If the pool is filled with water, what is the total mass of the water contained in the swimming pool? (Assume the density of water is 1000 kg/m³).