Q - Solve the system of equations by elimination P #1 - { 2x - 3y = 9
{-5x - 3y = 30

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P #2 - { y = -x + 1
{ y = 4x - 14

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P #3 - { 2x - 3y = 14
{ x + 3y = -11

In the diagram, gef and hef are congruent. what is the value of x

With number 11 ( show how you got the answer)

Jocelyn estimates that a piece of wood measures 5.5 cm. if it actually measures 5.62 cm, what is the percent error of jocelyn’s estimate? a. 2.13% b. 2.18% c. 12%