Evaluate 2x2 - 5y when x = - 3 and y = 4.

Scientists are comparing two planets to determine the difference in size. The scientists are using exponential notation to save space in their calculations. They know that planet Delta is 57 cubic meters, and that planet Epsilon is 53 cubic meters.

Which equation is represented by the phrase "one-fourth of a number, increased by eight equals sixteen"?

If Johnny has 3 apples and he gives Tom one apple how many apples does Johnny have

14x+5y=31 and 2x-3y=-29

A. The value of a book is $340 and decreases at a rate of 7% each year. Find the value of the book after 9 years? b. The average price of a gallon of milk is $3.31. If the price of milk increases.

You have been given the task of transporting 3,000 apples 1,000 miles from Appleland to Bananaville. Your truck can carry 1,000 apples at a time.

Express 25% as a fraction

What is this step by step 7-8r=-3-6r

What is the maths answer for 2/3 of 90

Dee is driving an average of 50 miles per hour.