Answer:
19? 21?
Step-by-step explanation:
Answer:
33 times
Step-by-step explanation:
we divide 198 by 6 because there are 6 sides on a dice and 199 ÷ 6 is 33
Answer:
24
Step-by-step explanation:
8 16 24 32 40...
6 12 18 24 30 36....
24 and 24.
Answer:
C
Step-by-step explanation:
x²+2x-15 = x²-3x+5x-15 = x(x-3)+5(x-3)=(x+5)(x-3)
or delta:
∆=2²-4*1*(-15)=4+60=64
√∆=8
x1 = (-2+8)/2 = 3
x2=(-2-8)/2=-5
and 4x+20 = 4(x+5)
The same is (x+5), so it is GCF. answer C