Which of these is a binomial?
A.) x + 2y^2 - 7
B.) 5xy
C.) ab
D.) 2x^3 - 7y^3

Which of the following represents a number squared is equal to twenty more than nine times that number ? a) x squared = 9x + 20 b) x squared = 20x + 9 c) x squared > 9 + 20x d) x squared = 9 + x + 20

Find the number of liters in 12.8 gal of gasoline. round to the nearest hundredths

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.