For number 2 you would need to divide 30 by 6 so 30/6 which equals 5. For number three the answer is 23.
Answer:
a) t=98
b) b=32
Step-by-step explanation:
a) 4t/7 -20=36r
r=1
4t/7-20=36
=36
4t-140=252
4y=392
t=98
b) 2k/5=b/2-12
k=10
20/5=b/2-12
4=
8=b-24
b=32
Answer:
B
Step-by-step explanation:
3 x 27870 = 83610
Answer: D
Step-by-step explanation:
Look at the exponents first and order them from least to greatest
I'm almost certain its D Tell me if i'm wrong