How do i evaluate 3X + y for X = 2 and y = - 1

milk is 2.89 a gallon. if each geralds four children drinks 0.5 gallons of milk per week how much does he spend each week on milk?

Which expression can be used to check each equation 646:3?

Find two numbers that have the sum of 77.95 and a difference of 30.61

How do you graph quadratic equations?

Jim cuts the grass every 7 days and works in the garden every 3 days. if he cut the grass and worked on the garden on June 1st, when is the next day that he will do both of these activities?

Spreadsheet software can be used to determine the amount of simple interest owed on a 30 day note. what mathematical operations would be used?

How many ounces of cinnamon is needed to bake cookies with 7 and 1/2 cups of flour if 1/3 ounce is cinnamon is needed for each 1 and 1/2 cups of flour?

The area of a parking lot at an amusement park is 1310 square meters. A car requires 5 square meters and a bus requires 32 square meters of space. There can be at most 135 vehicles parked at one time. If the cost to park a car is $5.

Janet drives from clarkson to humbolt in 2 hours. suppose janet drives for 10 hours. if she maintains the same driving rate can she drive more that 600 miles?

What is the answer fo this equation 5x + 8 for x = 9