Answer: 100c +34
Step-by-step explanation: I believe you add 88c and 12c together which simplifies the expression to 100c + 34 in total cost.
Answer: right
Step-by-step explanation:
Answer: isosceles
Step-by-step explanation:
By the alternate interior angles theorem, 
Since angles in a triangle add to 180 degrees, 
Since sides opposite equal angles in a triangle are equal,
.
So, triangle ABC is <u>isosceles</u>
To solve this you will do 90.27 * .15 which is 13.5405 and if you round that it will be 13.50.