Answer:
b=-2
Step-by-step explanation:
-(-b+5)+5b=-19-b
b-5+5b=-19-b
b+b-5+5b=-19-b+b
2b-5+5+5b=-19+5
2b+5b=-14
7b=-14
7b/7=-14/7
b=-2
Answer:
y = 2x - 5
Step-by-step explanation:
y = mx + b
m = slope = 2
b = y-intercept = -2
Answer:
100
Step-by-step explanation:
Answer:
h = 12 cm
Step-by-step explanation:
3053.63=πr^2h
Let r=9 and approximate pi as 3.14
3053.63=3.14 ( 9)^2 h
3053.63=3.14*81*h
3053.63=254.34h
Divide each side by254.34
3053.63/254.34=254.34h/254.34
12=h