expand the expression and combine like terms:
{-5(1-5k)-4(2k+5)}−5(1−5k)−4(2k+5)

the answers c

its kind of blurry. can you put a clearer pic?

step-by-step explanation:

answer:

c) the x-coordinate of the center of the circle increases by 3

arc length = 6.63311 ft.

step-by-step explanation:

the formula the arc measure is:

arc length s=2πr(c)/360

where:

c   is the central angle of the arc in degrees

r   is the radius of the arc

π   is pi, approximately 3.142

using the above formula we get

s =

thus we find that arc length of an arc for a circle of radius 20 feet and central angle 19 degrees is

6.63311 feet