5. what is the solution to the system of equations?
x+ 3y + 27 = 8
3x + y + 3z = -10
1-2x - 2y + z = 10
(-10, 2,-6)
(-10, -2,6)
(-10, 2,6)
(10,2,6)

Brent wants to know what is 5 x 1/2

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

2.5 milligrams is equivalent to how many grams