Simplify the expression (9 + 2i) (9 - 2i).

81 - 18i

81 + 18i

77

85

What are two mixed numbers between 2 and 3 that have a product between 6 and 9

Garrett throws dart at a circular dart board. the dart board has a radius of 16 inches, and the bull's eye in the center of the dart has a radius of 6 inches.

The following table shows the ratings of customer satisfaction at 1200 restaurants based on the capacity of the restaurant.

at the bank, Brent exchanges $50 in bills for 50 one-dollar coins. the total mass of the coins is 405 grams. Estimate the mass of 1 one-dollar coin

Determine the domain for each function. 6x-3y=12 for R = {-4_< y _<8}

The Garcia's bought a washing machine for $435 and a clothes dryer for $395 bath prices include tax to deliver these items the store charges $10 plus $2 per mile if the Garcia's live 15 miles from th store what is their total bill?

What is it? 9x+2 (x-1) + 7

Justin is going to pour milk into 4 glasses for his siblings. If he pours 2/5 pint of milk in each glass, how many pints of milk will he pour? how would I solve this question?

10 is 50% of what number?

Is your breathing rate normal? Actually, there is no standard breathing rate for humans. It can vary from as low as 4 breaths per minute to as high as 70 or 75 for a person engaged in strenuous exercise.