Solve the following system of equations

2x + 4y + 10z

x - 2y + 5z = - 4

3x - 4y - 3z = 15

Select the appropriate response:

A) x = 2, y = 3, z = 5

B) x = 4 y = 3, z = 5

C) x = 2, y = 3, z = 9

D) Not possible to solve

Kailey wants to buy a sandwich and as many oatmeal cookies as she can with $16. A sandwich costs $9 and an oatmeal cookie costs $2. The inequality 2x+9≤16 represents Kailey's situation, where x is the number of oatmeal cookies.

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Find the new amount. 8 meters increased by 25%?

3 х - 6+1 = - 2x - 5+5 х

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