Answer:
Step-by-step explanation:


80 x 4 = 79+81+77+x
320=237 + x
320-237 = x
83=x
so Marianne must score 83 points or higher on her last test
-(11,14,25) is the correct answer. the two shorter sides must add to a longer distance than the longest side.
Answer:

Step by step explanation:

Step-by-step explanation:
6,5:5,2=8:6,4 hope it helps
Answer:
34.5 hours as carpenter or 27.6 hours for blacksmith (Not sure about this sorry)
Step-by-step explanation:
690 ÷ 20 and 690 ÷ 25