2. A complex number with an arbitrary real part and a positive imaginary part is multiplied by a second complex number that is purely imaginary, with a negative coefficient for j. a) What can you say about the phase of the product

Simplify. (-2)^-3 a. -8 b. -1/8 c. 1/8 d. 8

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)

Aregular pentagon with a perimeter of 21 inches is dilated by a scale factor of 5/3 to create a new pentagon. what is the perimeter of the new pentagon?