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?

Karen walks 6 miles in 2 hours. what is her unit rate?

Steve cycled 35 miles in 2 1⁄2 hours. What is the average speed that Steve traveled?

A study was conducted to determine if the salaries of librarians from two neighboring cities were equal. A sample of 15 librarians from each city was randomly selected. The mean from the first city was $28,900 with a standard deviation of $2300.

If 1/4 of a giant chocolate bar is split equaly between 3 sisters, how much of a chocolate bar will each sister recieve

1 + (-2) + (-3) = - Simplify the expression

The square root of a number is between 18 and 19

What is the slope-intercept form of the function described by this table? x : 1, 2, 3, 4, y : 2, 7, 12, 17, Enter your answer below y = ? x + ? (Fill in the question marks with the numbers above in x and y section)

Simplify 5x + 4x + 1. 10x 9x + 1 x+9

What is the rate and unit rate of 36:8 if you multiply 18 and 4 by 2

A manufacturer sells each of his TV sets for $85. The cost C (in dollars) of manufacturing and selling x TV sets per week is C = 1500 + 10x + 0.005x2.