Add or subtract each expression. Simplify your final answer show all work.

1. Add 4x+2 and 6x-3

2. Subtract 3a-6 from 8a-10

Vertex of the quadratic function y = - 2 (x+3) ^2+5

If the perimeter of an equilateral triangle is 30 ft, what is the area? 25√2 sq. ft. 25√3 sq. ft. 50√3 sq. ft.

shelia received a delivery of 688 chairs for a school assembly. If she placed an equal amount of chairs in 20 rows, how many chairs are left over?

A rectangular flower garden is 8 ft longer than its width. It is surrounded by a brick wall 2 ft wide. The area of the walk is 176ft squared. Find the dimensions of the flower garden

1) Find two real numbers whose sum is 30 and whose product is maximized. 2) Find two numbers whose difference is 50 and whose product is minimized.

Brian bought a 15 pound bag of comcrete. he split the bag into smaller bags that each hold two and a half pounds. how many smaller bags did he fill

What is the full number of 2 to the 67 th power? I need the answer with out the e+17 or whatever it is.

Consider the polynomial p (x) = 16x^4-81y^4. Which of the following are equivalent expressions? Select all that apply A: (4x^2-9y^2) (4x^2-9y^2) B: (4x^2-9y^2) (4x^2+9y^2) C: (4x^2+9y^2) (2x^3y) (2x-3y) D: (4x^2+9y^2) (2x+3y) (2x+3y) E: (4x^2+9y^2)

The weights of the apple in a local supermarket is normally distributed. The mean weight is 45 pounds with a standard deviation of 2.5 pounds. How much do the middle 68% of the apple weigh? Between 42.5 and 47.

The Cincinnati zoo had 25 snakes before the Columbus zoo gave them 5 more. What is the percent increase from the 25 snakes?