The inequality |x-7|< 2 can be rewrite without absolute value bars as a. x-7<2
b. -2<x-7<2
c. -9<x<9
d. (-2,7)
e. -2>x-7<2​

Whit h equation best represents this situation the number 98 increased by an unknown number equal to 120

Bob the builder is making 480kg of cement mix. this is made by cement, sand and gravel in the ratio 1: 3: 4

In order for the function to be linear, what must m be and why? m = 22 because the rate of change is 1. m = 20 because the rate of change is 3. m = 22 because the rate of change is -1. m = 20 because the rate of change is -3.