He should have written x= y2 + 12y .X must be less than or equal to zero. It should be x <0.
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A. $14.99 .. do $49.98/2 = $24.99 and then subtract $10.
B. $19.99 .. do $49.98-19 = $39.98 and then divide it by 2.
Answer:

Step-by-step explanation:
<u>Key indices rule: When dividing powers, subtract the indices and keep the base numbers constant.</u>
<u />
Based on the rule above, the indices are determined by 3--8, which is 11.
The base number is kept constant.
Therefore, the answer is
.
Answer:
y=-1 : )
Step-by-step explanation:
(Brainliest Please)