keiko, chang, and scott sent a total of 130 text messages over their cell phones during the weekend. Scott sent 10 fewer messages than Keiko. Chang sent 4 times as many messages as scott. How many messages did they each send?

Rate 2.97 gallons per minute, how many hours will it take to fill a 344 gallon hot tub

How do you write y=-6/5x-7/5 in standard form

Jan pays $0.08 per kilowatt-hour for electricity. Her electric bill is $59.22. Write and solve an equation to find how many kilowatt-hours of electricity Jan used.

Maggie's brother is 10 years younger than twice her age. The sum of their ages is 29. How old is Maggie? Maggie is ___years old.

Sea World has 9 aquariums with small fish in them and the number of fish in each tank are shown below:45,10,48,19,36,25,63,14,37. What is the range of the number of fish

Shania's test scores in 8 subjects were 88, 91, 85, 74, 69, 72, 80, and 87. Which measure should Shania use to find how much the scores on her tests vary, on average, from the mean score? mode mean absolute deviation interquartile range mean

Tara walks 2 miles each day. How many miles does tara walk in a week?

Solve 30y^3-6y^2+2=0

F (x) = 1/4 x for x = - 5

Estimate the sum for 1,537 times 242 then find the sum