Answer:
D
Step-by-step explanation:
B needs to be 0 or else there is an extra constant term which makes the equation non proportional
10x-9=9x
-9=-x
x=9
angle 7 = 9*(9)=81
angle 6 = 180-81= 99
You have to put the number and count how many there are. Something like this.
Answer:
2(219)^1/2.
Step-by-step explanation:
876 = 2*2*3*73
√876 = 2*√219
= 2(219)^1/2.