a well-designed boiler evaporates 8.5 pounds of water per pound of coal burned. find how many pounds of coal would be necessary to evaporate 68 pounds of water.

A coin is to be tossed 1000 times. what is the probability that the 785th toss is heads?

Find the value of 5x and 3x+60

A fraternity charged $2.00 for admission for dudes and $1.00 for ladies to their final bash. The fraternity made $50 and sold $40 tickets. How many ladies attended the party

A 2-yard piece of string costs $5.04. What is the price per foot?

Select all of the following that are equivalent to x ≤ 12.

The formula below gives l, the interest earned by depositing p dollars in a bank account at annual interest rate r for one year. l=pr If a deposit earns $75 of interest, which equation gives the principal p as a function of the interest rate r? A.

Morgan's juice glass holds 225 mL. If she uses the glass to drink 8 glasses of water every day, how many liters of water does Morgan drink in one week?

Find the area of a circle with a diameter of 10 units. Round answer to the nearest hundredth of a square unit.

2. To the nearest cent, what is $57.10 decreased by 41%? A $23.41 B $33.69 C S34.69 D S80.5

Gabriella is x years old. Her sister, Felicia is 6 years older than she is. Their mother is twice as old as Felicia. Their aunt is x years older than their mother. Write and simplify an expression that represents Tanya's age in years.