A variable needs to be eliminated to solve the system of equations below. Choose the correct first step.
- 6x + y = -54
-7x + y = -56
O Add to eliminate y.
O Subtract to eliminate x.
O Subtract to eliminate y.
-Add to eliminate x.

Let f(x) = x+3 and g(x) = 1/x the graph of (fog)(x) is shown below what is the range of (fog)(x)?

Which expressions are equivalent to k/2 choose 2 answers: a k-2 b 2/k c 1/2k d k/2 e k+k

Arectangular garden is 5 feet long and 3 feet wide. a second rectangular garden has dimensions that are double the dimensions of the first garden. what is the percent of change in perimeter from the first garden to the second garden?