Which phrase describes an unknown or changeable quantity?

A. 2 times the number of pages in the book

B. 60 seconds multiplied by 5

C. 3 dollars and 76 cents

D. 15 years of schooling

If George has 50 apples and eats 20 how many apples as he have?

A tax of 20% is collected on every purchase at a supermarket. Select all the statements that are correct. Answer Choices A box of chocolates that costs $10 before tax will cost $12 after tax. A book that costs $20 before tax will cost $24 after tax.

19. 2x + 4 - 3x = 5 - x - 1

Simplify the expression 2 (-8-2+2v+6v

The graph below shows two polynomial functions, f (x) and g (x): Graph of f (x) equals x squared minus 2 x plus 1. Graph of g (x) equals x cubed plus 1.

What' is 8.2 times 10 to the negative second power in decimal form

Which ordered pair (*, y) satisfies the inequality?

Brycen can cover half a basketball court (about 14 meters) in 4.0 seconds flat! How fast can he run.

What percent of 99 is 72? show work

The cross section of a metal ingot is is a trapezoid the cross-section of an area of 39 square centimeters the top base of a cross section is 12 CM the length of the bottom base is 2 cm greater than the top base how tall is the Metal Ingot. explain