Hello,
a-3b=4 (1)
a-b=-2 (2)
(1)-(2)==> -2b=6
=>b=-3 and a=-2+(-3)=-5
Answer D
Proof
-5+3=-2
-5-3(-3)=4
Answer:
Step-by-step explanation:
the position of the boat on the waters surface = 0 (zero)
Carmen and Jen's swimming depth. = -15
You will need option A
AB = PQ
Answer:
12.5 m in 1 second.
Step-by-step explanation:
400/32=12.5