What must be on the blank to make statement true.. (3x+_)(xx-4)=3x²-11x-4? A.1
B.-b
C.13
D. - 13

Pls help me​

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

Solve x+3y=6 and 4x-6y=6 by elimination . show work !

List x1, x2, x3, x4 where xi is the midpoint endpoint of the five equal intervals used to estimate the area under the curve of f(x) between x = 0 and x = 10.