Given radius=15 inches
Perimeter=circumference of circle
Circumference=2 pi r
=pi=22/7 or 3.14
=2*3.14*15=94.2
Rounded off=100
Step-by-step explanation:
let equation be y = mx + b.
m = (9-5)/(3-1) = 2
sub (1, 5):
5 = 2(1) + b
b = 3
therefore the equation: y = 2x + 3
Topic: coordinate geometry
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A) (-6,-3], (-3, 3), [3,7)
B) (-5,-5), (-3,-3), (-1,6)
C)6
D) X=5
E) f(2)= -3
F)4 & 6