Simplify the expression
5+2⋅[(2+2)⋅5+5]
A.55
B.85
C.105
D.115

Agreeting card company can produce a box of cards for $7.50. if the initial investment by the company was $50,000, how many boxes of cards must be produced before the average cost per box falls to $10.50?

How many solutions does the nonlinear system of equations graphed below have?

If x is 6, then 7x= a. 13 b. 42 c. 42x d. 76