What is the solution of the system of equations?

y = 3x - 4

- 3y = - 9x + 12

Trevor tutors French for $12 an hour and scoops ice cream for $8 an hour. He is going to work 20 hours this week.

An architect created plans for a house using a scale factor of 1:16. In the plans, the floor of the house has an area of 7 square feet. What is area of the floor in the actual house?

Look model that show 1/2=36

an item is regularly priced at $30. it is on sale for 30% off the regular price. what is the sale price?

Find the volume of the cylinder in terms of pi. The diagrams are not drawn to scale. Radius=1.9 m length=11 m

Find a pair of fractions that has each product. A) 6. B) 1 / 2

a recipe that serves 4 calls for 1 3/4 cups of tomato sauce. if jerry makes 2 1/2 time that amount, how many cups of tomato sauce will he need?

Find the slope of the line that contains (-2, - 2) and (-10, - 9). A) 8/7 B) 11/12 C) 12/11 D) 7/8

Which of the binomials below is a factor of this trinomial? - 3x^2-21x+24 x-4 x+1 x+4 x-1

218 students went on a field trip. Nine buses were filled and 20 students traveled in cars. How many students were in each bus?