1) work out the size of angle x

2) give reasons for your answer

If jm equals 5x -8 and lm equals 2x -6 which expression represents jl

Find the average rate of change for f(x) = x2 − 3x − 10 from x = −5 to x = 10.

△cde maps to △stu with the transformations (x, y) arrowright (x − 2, y − 2) arrowright (3x, 3y) arrowright (x, −y). if cd = a + 1, de = 2a − 1, st = 2b + 3 and tu = b + 6, find the values of a and b. the value of a is and the value of b is .