To solve the equation, 18 = -4y, you use the division property of equality and simplify. Explain how can you check your solution.

Tim's phone service charges $23.06 plus an additional $0.22 for each text message sent per month. if tim's phone bill was $28.56, which equation could be used to find how many text messages, x, tim sent last month?

If f(x)=-x^2+6x-1 and g(x)=3x^2-4x-1,find(f+g)(x)

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section