Answer:
b. and d.
Step-by-step explanation:

Answer:
D 45.6 Square centimetres
Step-by-step explanation:
8 cm time 5.7 cm
Y+3=1/2•(x+8) (point slope form)
should be correct
Answer:
x = ±5
Step-by-step explanation:
4x^2 = 100
Divide each side by 4
4/4x^2 = 100/4
x^2 = 25
Take the square root of each side
sqrt(x^2) = ±sqrt(25)
x = ±5