Answer:
just multiply 7 by 21 and 21 by 7
like
2*21/7*21. + 10*7/21*7
41/147+ 70/147
111/147. Ans
Hightest exponent is 3
cubic
C is answer
15) n+4
16) n-6
17) n+3
18)n-2
19)n+6
20) n-8
Answer:
C
Step-by-step explanation:
when you translate coordinates to the right you subtract from the x-value
when reflecting over or about the x-axis all y values change signs
