How many permutations exist of the letters a, b, c, d taken four at a time?

A. 24

B. 12

C. 4

Solve 16x+9=9y-2x16x+9=9y-2x for y

A 22,800-gallon swimming pool is being filled by four hoses. Water flows through each hose at a rate of 300 gallons per hour. How many hours will it take to fill the pool? If requested options, I will post link.

The polynomial function f (x) is a fourth degree polynomial. Which of the following could be the complete list of the roots of f (x) ? 1. 3,4,5,6 2. 3,4,5,6i 3. 3,4+i square root of 6, 5 + square root of 6 4. 3,4,5+i,-5+i

Isabella watched the cashier scan the 7 items in her shopping cart. The scanned prices were $9.00 $9.00 $8.00 $5.00 $7.00 $4.00 $7.00 What was the median price of the items?

Given that the radius of Mars is approximately 3.4 * 10 kilometres (3400 km). Find its volume to three decimal places.

What is 36/2 plus 12/8?

On the last history quiz, Kanesha answered 0.75 of the 20 questions correctly. How many questions did Kanesha answer correctly?

When one New Zealand dollar, NZ$0.77, was worth US$0.77, how much was US$1.00 worth in New Zealand dollars?

Select the letter of the correct answer. Suppose a bucket contains 1,898 sunflower seeds. If this bucket contains 26 times more seeds than another bucket, how many sunflower seeds are in the other bucket?

He radius r of a circle is increasing at a rate of 6 centimeters per minute. find the rate of change of the area when r = 35 centimeters. cm2/min