Which change (in percent) is bigger:

losing weight from 100 lb to 90 lb or losing weight from 50 lb to 40 lb?

The area of a rectangle garden is 60ft^2. the length is an irrational number. explain why or why not the width must be a fraction, whole number, irrational number, or non-real number.

If, and k is a nonzero constant, then y could be (A) (B) (C) (D) (E)

F (x) = a^x which of the following expressions is equal to f (3) * f (4) f (3^4) f (3+4) F (3*4)

Divide 11 by t. Then, add 2.

How do you evaluate a math problem? i thought it is when you answer the problem but i guess it was wrong.

Set 1: {0, 2, 4, 6, 8, 10} Set 2: {1, 3, 5, 7, 9, 11} what is the means to mad ratio? are they similar?

2000 is what bigger than 2?

A planes trajectary from toronto to montreal is represented by this equation h=-2.5t^2+200 h = hieght of flight and t = time of flight. How long would the flight from toronto to montreal last?

A small refrigerator is a cube with a side length of 14 inches. Use the formula S = 6s2 to find the surface area of the cube.

Tom got 38 Valentine's mike got 42 Steve got 51 and Charles got 29 what was the average number of Valentine's each one got?