Answer:
1. r+s²=49
2. pq²=24
3. -4xy-6x²+2x²y-6y= -54
Step-by-step explanation:
1. r+s²=0+7²=49
2. pq²=(6)(2)²=6(4)=24
3. -4xy-6x²+2x²y-6y= -4(3)(2)-6(3)²+2(3)²(2)-6(2)
= -24-6(9)+2(9)(2)-12
= -24-54+36-12
= -78+36-12
= -42-12
= -54
Answer:
2x+x-8
Step-by-step explanation:
Kevin is 2x-8
Nancy is x
2x-8+x
BAC and CAD are adjacent angles, because they share a common vertex (A) and a common side AC, (an no other common points but the points on side AC).
The 2 adjacent angles form a new larger angle (BAD), whose measure is the sum of the measures of the adjacent angles.
This is called the "Angle Addition Postulate"
Answer: A
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