Solve using elimination.

–2x + 3y = –14
x + y = –18

Given that sin∅ = 1/4, 0 < ∅ < π/2, what is the exact value of cos∅? a. (√4)/4 b. (√15)/4 c. (4π)/2 d. (4√2)/4

Acar loses a quarter of its value every year. it is originally worth $35,000. to the nearest dollar,how much will the car be worth in 8 years?

Parallelogram efgh is a rectangle. he = 6, and fe = 8. find ge: and find fj: