Which of the following are mathematical sentences? A. 10r B. 6r C. 61 D. x=12 E. 9g=45 F. r+9=6

1. If you change the unit of measure for the side length of a cube from a larger unit to a smaller unit, what happens to the number of the unit cubes that the cube contains?

What is 16% of 25? 64 16 6 4

Write the pair of fractions as a pair of fractions with a common denominator. 2/3 and 5/6

If a and b are real numbers with a-b=1, what is the least possible value of a^5-b^5? Express your answer as a common fraction

What is the greatest common factor of 25, 39, and 31?

A jeweler has $3,000 to spend on precious metals for jewelry. Gold costs $1,310 per ounce, and silver costs $19 per ounce.

How many numbers between 1-100 are equal to four times an odd number?

A graph shows the relationship between the height of a plant and the number of days. On which axis should the height of the plant be plotted? x-axis y-axis

Shirts are on sale at a price of $50 for 4. How many shirts can be purchased for $125?

What's 125,210,000 written in word form