Show all work to multiply (3+ Square root of -16)(6- square root of -64)

Add the two expressions 3.8b - 7 and 2.9b + 9 enter your answer in simplified form

Determine which expressions represent real numbers and which expressions represent complex number. asaaap! plis!

Part a: sam rented a boat at $225 for 2 days. if he rents the same boat for 5 days, he has to pay a total rent of $480. write an equation in the standard form to represent the total rent (y) that sam has to pay for renting the boat for x days. (4 points)