A plumber charges $25 for a service call plus $50 per hour of service. Write an equation for the cost, C, after h hours of service.

What will be the total cost for 8 hours of work?

Use the frequency distribution, which shows the number of american voters (in millions) according to age, to find the probability that a voter chosen at random is in the 18 to 20 years old age range. ages frequency 18 to 20 5.9 21 to 24 7.7 25 to 34 20.4 35 to 44 25.1 45 to 64 54.4 65 and over 27.7 the probability that a voter chosen at random is in the 18 to 20 years old age range is nothing. (round to three decimal places as needed.)

How many $20 bills do you need to have to make $280

Given that abcd is a rhombus, what is the value of x?