The sum of the angles of a triangle must add up to 180 degrees.
180 = 35 + 70 + x
180 = 105 + x
180 - 105 = x
75 = x
Option B is your answer.
It would be $18.94, because the hundredths place is the penny.
About miles.
Subtract the flat rate of 1.75 from the spending limit of 10$ which leaves you with 8.25 then divide the rest of your spending money (8.25$) into your rate per mile (0.65) , so essentially , 8.25 / 0.65 which leaves you with the answer of ;
12 miles.
A.) 7y+14. Because 7 is the amount he will increase each year (y) so 7y represents each year added, plus 14 (the amount he already can do per minute)
The answer is the first one hope this helps!!