Use synthetic division 12. 4x4+4x3-9x2-x+2 = x-1
a). 4x3+8x2-7x-2
C) 4x3+8x2-x-9
b) 4x3+19x2-x-2
d) 4x3+8x2-x-2

38.5

step-by-step explanation:

lets say, first number = r

second number = 3r+7

total = 49

(r)+(3r+7)= 49

4r+7 = 49

4r = 42

r = 42/4

r= 10.5

3r+7 = 3(10.5)+7 = 38.5

hope this

step-by-step explanation:

a) 7x=7

step-by-step explanation:

segment bisector

step-by-step explanation:

line segment bisector. definition: a line, ray or segment which cuts another line segment into two equal parts. try this drag one of the orange dots at a or b and note the the line ab always divides the line pq into two equal parts.

mark brainliest!