Answer:
a.-3
b. y=-3x-1
c. y=-3x-1
d. 3x+y=-1
Step-by-step explanation:
18--10=
the two negative signs make a plus so you simply have 18 + 10 which is 28
A= 50.27 because the formula is pi times radius squared
C= 24.13 because the formula is 2 times pi times radius
Answer:
x = 11/5 or 2 1/5
Step-by-step explanation:
propagate the negative through the bottom equation
-5x = -11
x = 11/5
Yes it’s valid because he asked all 27 students In his art class
