Answer:

Step-by-step explanation:
Let
x ----> amount that Jethro owes in taxes
we know that
Amount that he made last year 
His tax rate 
Applying proportion
solve for x

Answer:
I believe is 250 in.
Step-by-step explanation:
Answer:
180 miles
Step-by-step explanation:
Distance = speed x time
45 x 4 =180miles
Answer:
0.9
Step-by-step explanation:
so cos^-1 (4/13)
so it will be 0.95
if you round it up then it would be 1 if not then just 0.9