Answer:
Step-by-step explanation:
First, we will eliminate the x, so we multiply the first one by 2.
4x+6y=4
4x-2y=4
So, we have y=0, and we put that in the equations, so x is 1
Answer:
pretty sure its D. 1.6 x 10^9
A) 10s=2m
B) It would take 20 seconds for 4 miles
(1-z) can combine with other coupons
Answer:
12
Step-by-step explanation:
in this problem there is A+b=15
A=9
B=12