I am not 100% positive but from what I remember learning I think the answer you are looking for on the first question is C.
Hello,
x²+2*7x+49+y²+2y+1+14-49-1=0
==>(x+7)²+(y+1)²=36
Center is (-7,-1) and radius 6.
Answer:
18,36,54,72,90 are first five multiples of 18
Step-by-step explanation:
Answer:
c≈15.07
Step-by-step explanation:
c=a2+b2=11.12+10.22≈15.07481
