Question a: 3cm
question b: 8cm
question c: 12cm
(could be wrong)
Answer:
10+ (4 23 + 7) - 19
I don't know if the 4 is supposed to be multiple or subtract or to add but If it is add
X = -5 is the answer I believe
Answer:
They completed 13, 3 credit classes
Step-by-step explanation:
1. Make 2 formulas. In this case: x+y=18
and 3x+4y=59
2. Then multiply x+y=18 by 3 and subtract the two equations.
Find y which is 5 and input into the equations. Then find your answer.
Muitply by two on both sides then subtract then divide to find x