Questions 5-8 I'm very confused

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Me because some of question i don’t understand

Analyze the graph of the cube root function shown on the right to determine the transformations of the parent function. then, determine the values of a, h, and k in the general equation. y=a3x-h+k h= . k= done 000000l o 7 of 8