exam Maths Puzzle Numerical Ability

compute slope of line connecting (-2,3) and (3,1) ?

Read Solution (Total 0)

exam Other Question

Given: h is parallel to d
Prove: m<11+m<10+m<18=180

the three angles make a triangle.
I know the answer, I cannot figure out how to get there. 3/x+2=?/x^3 + 8. I know that question mark is 3x^2 - 6x + 12, but how do I get there?