Simplify the following expression - (-2a+7)

How do i find scale factor?

A function that decreases proportionally to it's current value. The smaller the function gets, the faster it decreases

Work out 4 1/9 - 3 3/5

expanded form 2nd grade there were some horses in a field The Farmer bought 18 more horses and put them in the field. Now he has 45 cows in the field. How many horses did the farmer Buy?

A recipe calls for 1/2 cup of ingredient A for every 1 2/3 cups of ingredient B. You use 4 cups of ingredient A. How many cups of ingredient B do you need?

Suppose that a system of linear equations has 3*5 augmented matrix whose 5th column is a pivot column. Is the system consistent? Explain.

The area of a parallelogram is 16.8 square inches. If the base of the parallelogram is 1.5 inches, what is its height? 25.2 in. 15.3 in. 11.2 in. 8.5 in.

How do you put 0.5, 1/5, 0.35, 12/25, 4/5 in order from least to greatest

Alessandro and Francesca raced each other home from school. It took Francesca 13/15 as long as Alessandro to run home who got home first

In exercise, find the relative extrema of the function. f (x) = x4 - 2x2 + 5