How many gallons of a 90% antifreeze solution must be mixed with 100 gallons of 30% antifreeze to get a mixture that is 80% antifreeze?

What is the hcf of 432 and 240

A survey of two communities as residence which candidate they supported for a local election the survey data or shown in the relative frequency table

If John has 69 apples and eats 66 apples how many does he have left?

Convert into a polynomial in standard form: (b2+b-1) - (b2-b+1)

What is the location of e?

Select the correct answer. Lisa creates a scatter plot of the number of minutes she runs on the treadmill and the calories she burns. About how many more calories does she burn for every additional 5 minutes on the treadmill? A. 10 B. 25 C. 50 D.

The model represents x2 - 9x + 14. Which is a factor of x2 - 9x + 14?

Yolanda made 2 quarts of chili. She put an equal amount of 2 quarts into 9 containers to freeze. How much did Yolanda put into each container?

A health plan costs $10,098.00. Employer pays 80 % of the cost. What percent do you pay?

Enrollment in a business class decreased from 25 to 15 students. What was the percent of decrease in enrollment?