Answer:
r = 24 ft
Step-by-step explanation:
Circumference is given by
C = 2 * pi *r
We know that C = 48 pi
48 pi = 2 * pi * r
Divide each side by pi
48 pi /pi= 2 * pi * r/pi
48 = 2 r
Divide each side by 2
48/2 = 2r/2
24 = r
1.a. correct
1.b. 
1.c. correct
1.d. 
2.a. 7 - x + 3w - 9
Terms: 7, -x, 3w, -9
Variables: x, w
Coefficients: -1, 3
Constants: 7, -9
2.b. -g + 8k - 3 - 7
Terms: -g, 8k, -3, -7
Variables: g, k
Coefficients: -1, 8
Constants: -3, -7
3.a. correct
3.b. correct
3.c. -5+ 4x = -x
4.a. 4(2x + 3) = 8x + 12
4.b. -2(3x + 4) = -6x - 8
4.c. -5(2x - 3) = -10x + 15
Answer:
a. y=5x-1
b. 2y=8-2x
y=8-2x/2
y=4-x
c. y=3x-3
Step-by-step explanation:
there you go
I am Pretty sure it’s b but I wouldn’t be 100%