2: A = b*h
A = 4.5*14
A = 63 m^2
3: A = 1/2*b*h
A = 1/2*4*13
A = 2*13 = 26 in^2
Let X = science homework.
Then math homework would be 3x ( three times as long).
Now you have math plus science = 64 minutes:
x + 3x = 64
Combine like terms:
4x = 64
Divide both sides by 4:
x = 64 / 4
x = 16
He spent 16 minutes on science and 48 minutes on math.
Answer:
6x(x+2xy+y^2)
Step-by-step explanation: