What are the solutions of the equation?

15 - 8x^2 - 14x

At a certain gas station, 40% of the customers use regular unleaded gas, 35% use extra unleaded gas and 25% use premium unleaded gas. Of those customers using regular gas, only 30% fill their tanks.

It takes a helicopter 9/20 I of a minute to fly 4/5 of a mile. What is the helicopters speed in miles per minute?

A random sample of n = 4 scores is obtained from a population with a mean of m = 80 and a standard deviation of s = 10. if the sample mean is m = 90, what is the z-score for the sample mean

Hannah read 5 books in 15 months. What was her rate of reading I'm books per month?

Compute the upper riemann sum for the given function f (x=x^2 over the interval x?[?1,1] with respect to the partition p=[?1,?14,12,34,1].

Which is Bigger y=6x+4, or y=3 (x) + 2

Your recipe for zesty popcorn crunch calls for 16 cups of plain popcorn costing 0.72 per cup, 1 cup of peanuts costing 2.20, and 1 cup costing 0.50. what is the total cost of the recipe

Find the sum. 4 + (+5) =

A random sample of harvested corn showed that 6% of the ears of corn picked were not edible. Approximately 2300 ears of corn were picked. About how many of those ears of corn were not edible?

872x3 estimated problem