A is your answer
Cost = $5 for the burger and 0.3n is the cost of toppings
2 / (1/4) =
2 * 4 =
8 total students
18a+15
making a subject of formular
a=18-15
=3
The sum of the measures of the interior angles of a regular octagon equal 1080. Each angle equals 1080/8 = 135
The interior angle B = 135 so it's supplement (angle ABC) = 45 degrees. Since AB = AC, triangle ABC is isosceles, therefore angle ACB also equals 45 degrees.
Letter B
