Lannie ordered 12 copies of the same book for his book club members. the book cost $19 each, and the order has a $15 shipping charge. what is the total cost of lannie’s order?

Solve the system of equations. y= 2x y= x^2 - 15

Find the quotient. 50a2 – 98b2 -5a +7b

Merrida uses a pattern in the multiplication table below to find ratios that are equivalent to 7: 9. if merrida multiplies the first term, 7, by a factor of 6, what should she do to find the other term for the equivalent ratio? multiply 9 by 1. multiply 9 by 6. multiply 9 by 7. multiply 9 by 9.