Add polynomials

Simplify:

(-5a^3 - 2a^2) + (6a^3+9a^2+8a)

The perimeter of a rectangular from lawn of a library is 192 ft. The ratio os the length to width is 5:3. Find the area of the lawn

Ashley and Beth drove from city A to city B in exactly 5 hours, not taking rest stops. Ashley drove up to the area located halfway between the two cities at the average speed of 40 miles per hour and then Beth drove the other half at an average

There are 32 ounces of water in a glass someone drinks 55 percent of the water how many ounces of water are left

Compute the following: 8C3 5C2

2/3+1/12 give answer in reduced form

What is the common ratio of the sequence 4, 7, 10, 13 ...

How can you tell if three positive numbers form a Pythagorean triple?

7 divided by blank equals 56

a bee flies at 20 feet per second directly to a flowerbed from its hive. the bee stays at the flower for 15 minutes, then flies directly back to the hive at 12 feet per second. it is away from the hive for a total of 20 minutes.

The area of rectangle ABCD is represented by the expression 2x2 - 13x + 21. The area of rectangle WXYZ is represented by the expression 6x2 + 29x - 5. Which expression represents the combined area of rectangles ABCD and WXYZ?