About how many years would it take you to earn $1000 simple interest on an investment of $800 at 9% annual interest? A) 8 B) 10 C) 12 D) 14

Bill says that he can add 23 and 40 without regrouping is bill correct how do you know

Donna purchased a prepaid phone card for $20. Long distance calls cost 14 cents a minute using this card. Donna used her card only one to make a long distance call. If the remaining credit on her card is $13.84, how many minutes did her call last

Greta collects the number of miles run each week from random sample of female marathon runners. her data are shown below. she made the qualitative statement, "25% of female marathoners run 13 or more miles a week." is her statement reasonable.

How to solve this equation f (x) = 3x+4

The number of sides of a regular polygon whose interior angle is 140

People use water to cook, clean, and drink every day. An estimate of 26.5 % of the water used each day is for cleaning. If a family uses 68.9 gallons of water a day for cleaning , how many gallons do they use every day?

A data set has a mean of 255 and a standard deviation of 12. All the data values are within two standard deviations of the mean. Which could be the maximum value of the data

John spent 36 to buy 4 basketball. What was the price per basketball?

X/5 = 10 what is the value of x

What is 5/10 + 2/10?