Carlos is choosing a

3

-letter password from the letters A, B, C, D, and E. The password cannot have the same letter repeated in it. How many such passwords are possible?

What is the least common denominator of 1/7,2/5 and 2/3?

Solve the equation (y-10) ^2=0

Factor the quadratic expression completely. 2x^2+7x+3

Asset income across individuals has a mean of $500 with standard deviation $400. In a simple random sample of 30 individuals, what is the probability that the total amount of asset income will exceed $18,000?

Which ordered pair is the solution to the system of linear equations y=5x+8 and y = - 4x-1

Marco estimated that he took his dog on a 2.5 mile walk. When he drove the same route in his car, he found out that it was 2.65 miles. What is the percent error between Marcos estimate and the actual amount?

What are the earnings for: 1. 5 days at $69.00 a day = $ a0 2. 3.5 days at $27.75 a day = $ a1

Rationalise the denominator. 2+square root of 2 divided by4 minus the square root of2

The ratio of boys to girls at Greenville High School is 4:5. If 300 girls go to high school, the equation x 300 = 4 5 can be used to determine the number of boys, x, that go to the high school.

For every 2 miles Joan runs, Stacy runs 3 miles. How far will Stacy have run if Joan runs 24 miles?