Answer:
2+x^2=18 = 2+4^2=18
Step-by-step explanation:
Because when you have the ( ^2) then that means your going to multiply a number by the same number and then 4 times 4 equals 16 and you still have the +2 therefore you add that on the 16 and 16+2 equals 18.
y=1/4x+7/4
i think its right
19
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4^2 + 6 ÷ 2
16 + 6 ÷ 2
16 + 3
