FURTHER MATHEMATICS Use determinants to solve the systems of equation: 2x + y + 2z = 13
X + y - 2z = 8
X + 2y + z = 11

Scrub a dub toothbrushes are $4.00 each. there is a 10% discount, but there is also a 6% sales tax after the discount is applied. what is the new price after tax? round to the nearest penny

A. 127 cm^2 b. 144.5 cm^2 c. 172 cm^2 d. 50 cm^2

What is the solution to the system of equation graphed belowa.(0,-4)b.(2,5),1),-3)