Answer: (a-2b)3=3a-6b
=3x-2-6x-1/2
= -6+3
= -3
Step-by-step explanation:
The first one would be C and the 2nd is A.
Answer: 270 in cubic meters
270^3
Step-by-step explanation:
V=LxWxH
= 2cm x 9cm x 15cm
=270cm^3
Answer:
B
I
Step-by-step explanation:
A triangle's angles must add up to 180
68+90+x=180
158+x=180
22=x
3 and 2 must add up to 180
70+x=180
angle 2= 110
angle 2 and angle 1 have to add up to 180 as well
110+x=180
andgle 1= 70
the second one
Step-by-step explanation:
