If Chris has 2 times as many nickels as quarters and they have a combined value of 210 cents, how many of each coin does he have?

The Williams family and the Taylor family each used their sprinklers last summer. The water output rate for the Williams family's sprinkler was 25L per hour. The water output rate for the Taylor family's sprinkler was 20L per hour.

Which of the following is recommended when paying a credit card bill? A. Pay more than the minimum amount every month. B. Pay the minimum amount every month. C. Pay exactly half the minimum amount every month. D.

A survey found that 9 out of 100 randomly selected people are left-handed. On the basis of this survey, how many people in a group of 8000 are likely to be left-handed? 1. 72 2. 720 3. 800 4. 900

Which cost the least per kilogram. $4 for 1.5, $5 for 2.0, $7 for 2.5, $8 for 3.5?

The Intelligence Quotient (IQ) test scores for adults are normally distributed with a mean of 100 and a population standard deviation of 15.

1. k + 4k - 2k + 7 2. x+x+2+x+4

How do you Simplify 6 (-3 + 2 - 5x)

Can 3 92/100 be simplify

The smith family's car needed 4.2 gallons of gasoline to drive a distance of 150 miles. nbased on this information, determine the average gas mileage their vehicle is capable of as an expression of miles per gallon

Describe how the names of the negative integer powers of 10 correspond to the names of the positive integer powers of 10.