Answer:
Step-by-step explanation:
XY = 6B
YZ= 8B
XZ = 175
XYZ= 6B + 8B
XYZ = 14B
XYZ = XZ = 175 = 14B
14B=175
14B/14 =175/14
B=12.5
XY = 6B = 6 * 12.5 = 75
YZ= 8B = 8 * 12.5 = 100
6. 477.5
7. 498.1
8. 452.4
b. -3
16
6 - 2 x (n - 5) = 16
n = 9
x=(-60)
x/2-12=(-42)
add 12 to -42
x/2=(-30)
divide -30 by 1/2