I’m not sure what the first one is, but number 4 is A) y=2x+4
(3/5)(2/5)=6/25
.............................
Y^2-9^2
(y-9)(y+9)
To see if its right:
y*y+y*9-9*y-9*9
y^2+9y-9y-81
y^2-9^2
Answer:
-3
Step-by-step explanation:
Answer:
b
Step-by-step explanation:
angle b = angle e = 90 (given) R
if ac = df H
bc = ef (given) S
