Please help me solve those exercises!. I will thumb you up and thanks a lot!

(step (map f (map g (list 0 20 10))))

(step (map square (map h (list 5 3 4))))

(step (map text-length (map i (map j (list "o" "xx")))))

: Part B. Assume the following definitionshave been enteredtun... (define (a b) (turn Ob)) (define (f c) (oval c 15)) (define (bc) (scale-width c 2)) (define (ge) (+ e 10)) (define (cb) (tum b 45)) (define (h f) (* ff)) (define (da) (scale-height Aa)) (define (1 g) (text-join "-" g)) (define (e h) (above On A) (define GB) (text-join gg "1")) ...and show all the bllowing steps (with the same guidelines as described in PartA). (step (a 90)) (step (b (D)) (step (map d (list 31 2))) (step (mape (list ) : Part B. Assume the following definitionshave been enteredtun... (define (a b) (turn Ob)) (define (f c) (oval c 15)) (define (bc) (scale-width c 2)) (define (ge) (+ e 10)) (define (cb) (tum b 45)) (define (h f) (* ff)) (define (da) (scale-height Aa)) (define (1 g) (text-join "-" g)) (define (e h) (above On A) (define GB) (text-join gg "1")) ...and show all the bllowing steps (with the same guidelines as described in PartA). (step (a 90)) (step (b (D)) (step (map d (list 31 2))) (step (mape (list )