Answer:
ab+13b-3a+3ab^2+76
Step-by-step explanation:
(ab?+13b-4a)+(3ab^2+a+76)
ab+13b-4a+3ab^2+a+76
collect like term
. -4a a
.
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ab+13b-3a+3ab^2+76
Answer:
if 1/3 is in 1/6 of a minte then 3/3 is in 3/6 of a minute which is 30 seconds!
Step-by-step explanation: