Blake has a collectors' card that he bought for $42.00. The card is now worth $87.00. What is the percent of change in the value of the card? Round answers to the nearest percent.

In the net of a rectangular prism, each square of the grid is 1 square centimeter. What is the surface area of the prism?

Unit rate in feet per second 240 yards in 1 hour

A town uses positive numbers to track increases in population and negative numbers to track decreases in population. The population has decreased by 30 residents over the past 5 years. The same number of residents left each year.

The square of a positive number decreased by 4 times the number is 12. Find the positive number. [Only an algebraic solution will be accepted.]

What is 3d - 12 for d = 10

Is it easier to add or multiply fractions? Explain your answer and give an example of each

2x+2x-26=114 blank - 26=114

Tyler is thinking of a number that is divisible by 2 and by 3. Write another number in which Tyler's number must also be divisible.

57/95 simplifly form

8m + 7 = 5m + 16 what is this answer