Simplify the expression:

2√75 + √20

8√5

2√5

10√5

12√5

Chelsea paid 1.35 skate rental with dimes and nickels. Only 19 coins in all. How many of each?

Larissa has 4? cups of flour. She is making cookies using a recipe that calls for 2? cups of flour. After baking the cookies, how much flour will be left?

Read the complete problem before answering. Tilly had pizzas to share equally between 5 plates. How much pizza will Tilly put on each plate? A student solved the problem this way: Let n represent the amount of pizza on each plate.

The equation p = 2.5m + 35 represents the price p of a bracelet, where m is the cost of the materials. The price of a bracelet is $115. What is the price of the materials?

The Wall Street Journal reports that the rate on three-year Treasury securities is 7.00 percent, and the six-year Treasury rate is 6.20 percent. From discussions with your broker, you have determined that the expected inflation premium will be 2.

6) A plane is preparing to land. It is at an altitude of 4,800 feet. It will descend at a rate of 200 feet per minute. How high will the plane be after 7 minutes? A) 1400 ft B) 3400 ft C) 5,000 ft D) 6200 feet

Find the longer diagonal of a parallelogram having sides of lengths 10 and 15 and an angle measure 60. (round to the nearest whole number.)

Gabi finds a skirt that she likes at the store for $45.99. If the tax rate is 5.8%, how much will the skirt cost in all?

If John makes a down payment when purchasing a new vehicle, interest will be calculated on the price of the Select the best answer from the choices provided. A-down payment B-vehicle minus the down payment C-vehicle D-vehicle plus the down payment

Greatest common factor of 42 and 28