Which expression could be used to determine the distance between 18 and (-90) on a vertical number line? Explain why a.) |18 + (-90)| b.) |18 – (-90)| c.) |90 – 18| d.) 18 – 90

Cal's go cart has a gas tank with the dimensions shown below. he uses a gas can that holds 11 gallon of gas, to fill the go cart tank. 11 gallon = 231 inches^3 how many full gas cans will it take to fill the go cart's gas tank?

You have 37 coins that are nickels, dimes, and pennies. the total value of the coins is $1.55. there are twice as many pennies as dimes. find the number of each type of coin in the bank.

Write the point-slope form of an equation of the line through the points (-2, -3) and (-7, 4).