What is the simplified expression for - 2a^2b+a^2-5ab+3ab^2-b^2+2 (a^2b+2ab) ?

A). a^2-9ab+3ab^2

B). a^2+9ab-b^2+3ab^2

C). 10ab+a^2-b^2

D). 3ab^2+a^2-b^2-ab

You have a job at a water park. The hot tub at the park is in the shape of a cylinder. It has a diameter of 20 feet across. The tub has a volume of 1,256 cubic feet. What is the depth of the tub? Use 3.14 to approximate pi.

A diameter 10 ft what is the circumference of a circular flower bed

At 3:00 p. m., Jamie leaves her house and drives north to the beach. She arrives at 5:30 p. m. Also leaving at 3:00 p. m., her brother Raul leaves her house and drives south to a state park. He arrives at 4:30 p. m.

A small company maintains a fleet of four cars to be driven by its workers on business trips. Requests to use cars are a Poisson process with rate 1.5 per day. A car is used for an exponentially distributed time with mean 2 days.

Write three integers that do not all have the same sign that have a sum of - 20. Write three integers that do not all have the same sign that have a sum of 10.

Five students, Adriana, Ben, Chandra, Diana, and Ernesto, would each like one of the four spots at the regional science fair. Their names are placed in a hat, and four names are chosen at random to decide who attends the fair.

7/8 + n/4 = 3/8. What is N

Which sum is equal to the product of 28*47

You sold a total of 48$ worth of cheese. You forgot how many pounds of each type of cheese you sold. swiss cheese costs 8$ per pound. Cheddar cheese costs 6$ per pound

Solve for the variable in the following equation. e^2-2e-99=0 e = - 11, e = - 9 e = - 11, e = 9 e = 11, e = - 9 e = 11, e = 9