15-b=12

solve each equation mentally

A farmer has 1600 feet of fence and wants to enclose a rectangular field with two internal fences parallel to one side. What are the dimensions that would maximize the area?

What is the sum of 1.9, 3.52 and. 075

What is 53/200 as a decimal

The ratio of 9 more than m to m

Find the sum: (3x^2+2x+3) + (x^2+x+1)

If f (x) = x^2 - 1 and g (x) = 2x - 3, what is the domain of (fog) (x) ? (-infinity, infinity) [-1, infinity) [-5, infinity) (infinity,-infinity)

What term references a period of economic growth measured by a rise in the GDP?

Write an explicit formula formula for the sequence 2, 8, 14, 20, 26, ... a. a_n = 2n-2 b. a_n = 2n+2 c. a_n=4n+2 d. a_n = 6n-4

There is an 80% chance David will eat a healthy breakfast and a 25% chance that it will rain. If these events are independent, what is the probability that David will eat a healthy breakfast or that it will rain?

How do you wire 0.52 in words