D because a has to be younger than 18 and it has to be positive because we are never a negative age. do you understand when i mean?
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Answer:
0.3
Step-by-step explanation:
A. .375
B. .75
C. .3
D. .5
10*a = 10000000
a = 1000000, one million
5*10*b = 500000000
b = 10000000, ten million
About ten times.
Answer:r-1
Step-by-step explanation:
(-r-5)-(-2r-4) Or (-r-5)-(-2r-4)
-r+-5+2r+4. -r-5+2r+4
r-1 r-1
You bring down the first Parentheses Then have to multiply the (implied 1) -1•-2=2 and -1•-4=4 and do the math regularly
