If ab = 8 and a^2+b^2=16, then what is the value of (a+b)^2? do it quick

Rosy waxes 2/3 of her car with 1/4 bottle of car wax.at this rate,what fraction of the bottle of car wax will rosey use to wax her entire car

Aparticular telephone number is used to receive both voice calls and fax messages. suppose that 25% of the incoming calls involve fax messages, and consider a sample of 25 incoming calls. (a) what is the expected number of calls among the 25 that involve a fax message?

Simplify the given expression leaving the answer in improper fraction form. 2/3+5/6