It takes an older pump twice as long to drain a certain pool as it does a newer pump. Working together, it takes the two pumps

5

hours to drain the pool. How long will it take the newer pump to drain the pool working alone?

Suppose Jawan works 6 days. Using a rule that relates the hours worked to the amount earned if he works 36 hours

If (x - 5) is a factor of f (x), which of the following must be true? O A root of f (x) is x = - 5. O A root of f (x) is x = 5. O Both x = - 5 and x = 5 are rots of f (x). O Neither x = - 5 nor x = 5 is a root of f (x).

A city's population is currently 150,500. If the population doubles every 62 years, what will the population be 124 years from now?

19. A rectangular block of wood measures 3cm by 6 cm by 4 cm has a mass of 80.0 grams. What is the density of the wood? a. 5760 g/cm b. 0.9 cm3/g c. 1.11 g/cm3 d. 80 g/cm3

A large jar contains 1230 coins. The result of 50 coins pulled at random from the jar is given below. • 18 nickels • 12 dimes • 20 quarters Based on this information, what could be the expected value of quarters in the jar?

Is this trinomial factorable r^2-15r+56

The delivery truck for Hall's Department Store left the mall at 10:00 a. m. it was gone for 7 hours. when did it return

At the beach, 20% of people are on the boardwalk and 23% are on the sand. If the rest are in the water, what percentage of people are in the water?

What is the equation of slope=-8/5, y intercept = 4

Select the correct answer. Anna learns in her science class that the human eye blinks an average of 4,200,000 times a year. What is this number expressed in scientific notation? A. 4.2E6 B. 4.2E-6 C. 42E6 D. 4.2E5 E. 4.2E-5