2x + 5 = 12
solve this equation

If jaime wants to find 60% of 320, which table should he use?

Determine the difference: 3.2 × 1010 – 1.1 × 1010. write your answer in scientific notation.

Arecipe calls for 2 2/4 cups of raisins, but julie only has a 1/4 measuring cup. how many 1/4 cups is needed to measure out 2 2/4 cups of raisins?