Answer:
20
Step-by-step explanation:
Use the equation 
Where b2 is a, b1 is b and h is h
Answer:
no
Step-by-step explanation:
1 4/5 = 1 8/5 if you make a common denominator
Answer:
2520
Step-by-step explanation:
LCM(4, 7, 8, 9, 10, 12) = 2520
Answer:
sorry can't help hope someone gets it
Answer:
18
Step-by-step explanation:
i just took the test and got a 100% :)