Solve the equation for x. 5(2x − 8) = 90 A) 5 B) 10 C) 13 D) 15

x=13

Step-by-step explanation:

divide both sides by 5

then move the constant to the right and change signs

2x=18+8

add numbers

divide both sides by 2

a

step-by-step explanation:

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c.

step-by-step explanation:

substitution for (0,1)

y=x^2+4x+1

1=0^2+4(x)0+1

1=0+4(x)0+1

1=4(x)0+1

1=0+1

1=1

substitution for (-3,-2)

y=x+1

-2=-3+1

-2=-2