Answer:
90
Step-by-step explanation:
In the quadrilateral formed by two tangents and the associated radii, the central angle and the external angle are supplementary. Here, that means that x° is supplementary to itself, so must be 90°.
x = 90
Answer:
b
Step-by-step explanation:
Answer:
21.6 mph
Step-by-step explanation:
The fishing boat traveled 30 miles and the air carrier is 100 apart meaning its 130 miles. It's in 6 hours so you do 130 ÷ 6 = 12.6mph
Answer:c
Step-by-step explanation:
Given

and 
m of n is given by replacing x in
by x-3

can take any value of x except x=4 because at x=4 function is not defined
and
is also not defined for x=4 and can take any value of x
1/9, sorry if it’s wrong!! Hopefully it helps you!