What's the slope of the line containing the pair of points (9,-7) and (9,-10)

John bought 2 horses at rs 20000 each

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

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