Urn 1 contains 5 red balls and 3 black balls. Urn 2 contains 3 red balls and 1 black ball. Urn 3 contains 4 red balls and 2 black balls. If an urn is selected at random and a ball is drawn, find the probability it will be red.

Select the correct answer. On discovering that her family had a 70% risk of heart attack, Erin took a treadmill test to check her own potential of having a heart attack. The doctors told her that the reliability of the stress test is 67%.

If the porprotion of defective in the sample is less than 12%, it is reasonable to conclude that the new process is better. O True O False

Rob is saving up to buy a new MP3 player for every $15 he earns babysitting he saves $6. on Saturday rob earned $90 babysitting how much money did he save

How to solve for m in the equation: 2mp-m=5

How to solve 1/2 x 14

Caitlyn spends $17 at the store. She buys a mop for $5 and 3 bottles of floor cleaner. If x represents the cost of each bottle of cleaner, the equation that can be used to find the value of x is 3x+5=

If 1 kilogram = 2.206 pounds, how many pounds are in a gram?

Expression 2 5+4x2+6-2x2-1 Insert parentheses in Expression 2 so that it has a value of 19. Then show why your expression has a value of 19.

A particular frozen yogurt has 75 calories in 2 ounces, how many calories are in 8 ounces of yogurt

Bananas cost $3 a bunch and apples cost $0.50 each. If b represents the number of bunches of bananas and a represents the number of apples, which of the following expressions represents the total cost?