Step-by-step explanation:
A = equation 4
B = equation 1
C = equation 3
D = equation 2
Hope it will help you :)
Area = 0.5 x (a+b) x h
= 0.5 x (15cm + 6cm) x 1/5cm
= 0.1 x 21cm
=2.1cm^2 (2.1 centimeters squared)
Answer:
45+5x
Step-by-step explanation:
45 for initial
5 for every hour
x is amount of hours
C.(x,y)--->(-y,x)
i hope it's right!