Which ordered pair is a solution to the system of equations f(x) = x and g(x) = x2 – 2? (1) (-2,-2)
(2) (-1, 1)
(3) (0,0)
(4) (2, 2)

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Adj has a total of 1075 dance and rock songs on her system. the dance selection is 4 times the size of the rock selection. write a system of equations to represent the situation.

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.