The square root of 7 multiplied by the square root of seven

Calculate the mass of a 5.50 cm3 cylinder of a substance that has a density of 4.20 g/cm3.

An airplane takes off 12.5 miles south of a city and flies due north at a constant speed of 170 miles per hour.

Mrs. B has $25 in her savings and wants to put $10 every week into the account. Write an equation showing how much money she will have at any number of weeks. Solve your equation to show the total amount of money Mrs. B will have in 7 weeks.

What are the factors of the polynomial below? x2 + 7x - 18 A. (7x + 11) (x - 1) B. (x + 2) (9x - 2) C. (x + 9) (x - 2) D. (7x + 9) (x - 2)

An amount of $28,000 is borrowed for 11 years at 3.75% interest, compounded annually. if the loan is paid in full at the end of that period, how much must be paid back? use the calculator provided and round your answer to the nearest dollar.

A 15 foot ladder is leaning against a wall. if the foot of the ladder is sliding away from the wall at a rate of 10 ft/sec, at what speed is the top of the ladder falling when the foot of the ladder is 9 feet away from the base of the wall?

A word problem using system of linear equations of form Ax+By=c Problem: a fruit company delivers fruit in 2 types of boxes. Large and small. A delivery of 3 large boxes and 5 small boxes had a total weight of 77 kilograms.

Kit bought a soft drink and a sandwich for $9.00. What was the price of each if the sandwich cost 3.5 times as much as the soft drink?

What is the solution to the system of equations? y = - 5x + 3 y = 1 (0.4, 1) (0.8, 1) (1, 0.4) (1, 0.8)

Find the solutions to the equation 10^2x+11 = (x+6) ^2-2. Which values are approximate solutions to the equation check all that apply. A. - 9.6 B.-7.4 C. - 4.6 D. - 2.4 E. 0.6