F(4)=4+3
f(4)=7
g(-2)=13(-2)-5
g(-2)=-26-5
g(-2)=-31
7-31=-24
C
To solve this, you have to know the formula for the area of a trapezoid:

In this question:
base 1 = 25
base 2 = 35
height = 12

The area is
360
Answer: in algebraic expiration its 10 (1/2 + 5) = 25
Step-by-step explanation:
Answer:
54 km per hr
270 km
Step-by-step explanation:
1 metre per second is 3.6 km per hour.
15*3.6=54 km per hour
distance covered in 5 hrs=54*5=270 km