Evaluate the double integral ∬d(x2 8y)da, where d is bounded by y=x, y=x3, and x≥0.

With #! i’ve tried to figure it out but i can’t.

Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36

Evaluate the expression for the given value of the variable. ∣-4b-8∣+∣-1-b^2 ∣+2b^3 ; b=-2