Answer:
B. You have to distribute properties. So you distribute the exponent 5 to both the 6 & the 9
Answer:

Step-by-step explanation:
<u>By </u><u>tangent</u><u> </u><u>theorem</u><u> </u>we acquire:

simplify addition:

cancel 10 from both sides:

hence,
our answer is A
Answer:
x=-1
Step-by-step explanation:
Most graphing calculators will do weighted averages pretty easily. It is mostly a matter of data entry.
mx = -2
my = 10
(x, y) = (mx, my)/10 = (-0.2, 1)