66.5cm
Split the shape into a square and triangle and find the area separately
Square: 8*7=57
Triangle: 7*3/2 = 10.5
=66.5
40 x 5280 = 211200 feet per hour
211200 / 3600 = 58.666 = 59 feet per second
Answer:
3m -5
Step-by-step explanation:
3(m - 3) + 4
Distribute
3m -9 +4
Combine like terms
3m -5
Your answer is going to be X=-6
He can run 5 miles per hour