Answer:
10x9-5(8)=34
Step-by-step explanation:
Square root of 3 is 1.732
Answer: 52.5
Step-by-step explanation:
Square
A=b*h
6*7=42
Triangle
A=b*h/2
3*7/2=10.5
Add them
10.5+42=52.5
26 students in each class. 3 classes. 4 absent. 26x3=78. subtract 4=74