How many gallons of a 20% ammonia solution should be mixed with 50 gallons of a 50% ammonia solution to make a 30% ammonia solution

The pool at a park is circular. You want to find the equation of the circle that is the boundary of the pool. Find the equation if the area of the pool is 500 square feet and (0, 0) represents the center of the pool.

Solve for x. x 2 ≥ - 4

Jasmine is 23 years old. Jasmine is 3 years less than half of George's age.

Which of the following is a subset of {1, 2, 3}? {∅} {0, 1} {1, 2, 3} {1, 2, 3, 4}

What is the difference between the smallest six digit whole number and the greatest four digit whole number

Two fair dice are tossed. a. What is the probability that the sum of the number of dots shown on the upper faces is equal to 7? To 11? b. What is the probability that you roll "doubles" that is, both dice have the same number on the upper face? c.

Least common multiple of 78 90 140

Given the speeds of each runner below, determine who runs the fastest. Katie runs 14 feet per second. Zach runs 576 feet in 46 seconds. Tony runs 1 mile in 533 seconds. Will runs 827 feet in 1 minute.

What is the mean average diviation

If (x + 1) (x - 3) = 5, then which of the following statements is true?. x + 1 = 0 or x - 3 = 0. x + 1 = 5 or x - 3 = 5. x - 4 = 0 or x + 2 = 0