exam Maths Puzzle Numerical Ability

write equation in slope intercept form

y+1=-7(x+1)

Read Solution (Total 0)

exam Other Question

3x - 9//5y times 10y^2//7x - 21 = ?? This problem was on hand out. I think I solved it correctly, but am not sure.
My answer is 360mn.
thanks for your help.

-60m (-2) (-3n)