18 less than 14 times a number is 80

Sara drives 72 miles on 3.2 gallons of gas. she uses this information to calculate how many miles per gallon she can drive. using this result how many miles can sara drive on 13.3 gallons of gas?

Assume that women's heights are normally distributed with a mean given by mu equals 63.4 in , and a standard deviation given by sigma equals 2.4 in. (a) if 1 woman is randomly selected, find the probability that her height is less than 64 in.

In a survey of 200 employees, 65% agreed that the management of the cafeteria should be changed. If the confidence interval is 95%, the margin of error for this survey is (+/-6.75 or + / -5.06 or + / -3.

Evaluate the expression when x = 3 and y = 5 6y/x

If three workers paint a house in 12 hours how long will it take 5 painters to paint the same house

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.