Use the substitution method to solve the system of equations. choose the correct ordered pair. 3x-y=7 2x-2y=2 a. (2,2) b. (3,2) c. (2,-2) d. (3,-1)

1/3(x-10)=-4 solve for x with steps

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

Acompany manufactures three types of cabinets. it makes 110 cabinets each week. in the first week, the sum of the number of type-1 cabinets and twice the number of type-2 cabinets produced was 10 more than the number of type-3 cabinets produced. the next week, the number of type-1 cabinets produced was three times more than in the first week, no type-2 cabinets were produced, and the number of type-3 cabinets produced was the same as in the previous week.