Find b, given that a = 20, angle a = 30°, and angle blas 45° in triangle abc.
a = 20
30°
450

ratio is 2 : 9

the answer is three

13.5 : 3

step-by-step explanation:

the answer is 128

y = 3x+4

step-by-step explanation:

to find the slope

slope = (y2-y1)/ (x2-x1)

    = (-8-4)/ (-4-0)

    = -12/-4

  = 3

using the slope intercept form of a line

y= mx+b

we know the slope is 3

we know the y intercept is 4 ( the point where it crosses the y axis or x=0)

y = 3x+4