Explain in detail with at least two sentences how to represent the product of a and b geometrically given that a=15+56i and b = 7 + 4i.  give the coordinate of a • b in polar form.

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Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.

Simplify using positive exponents only.