Answer:
25
Step-by-step explanation:
3a=30... equation 1
2a+2b=30... equation2
equation 2 => a+b=15 ... equation 3
equation 1 => a = 10 ... equation 4
equation 4 & equation 3 => b = 5
5^2 = 25
Answer:
40,24
Step-by-step explanation:
half base times height
3*8=24
5*8=40
Answer:

Step-by-step explanation:

Subtract 4 from both sides:


Subtract 17x from both sides:


Divide both sides by -14:


3+3+4+3 im sure this is the answer just double chek
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