What is equal to -15?
a) -5+10 b)-5-10 c)-5+(-10) d) -)

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

Which describes the difference between the graph of f(x)=x^2 and g(x)=-(x^2-2)

Amanda went into the grocery business starting with five stores. after one year, she opened two more stores. after two years, she opened two more stores than the previous year. if amanda expands her grocery business following the same pattern, which of the following graphs represents the number of stores she will own over time?