Answer:
First, you have to add 9, 18, and 12. When we add this we get 39. She has 30 dollars, do we can see that she needs $9 more to get all three books.
Step-by-step explanation:
Since the triangle is isosceles, the angles that are not on the 87 are both equal.
The other 2 angles can be solved like this
2x + 87 = 180
2x = 180 - 87
2x = 93
x = 93/2 = 46.5 degrees or B
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The answers are
M = 32
B = 48
Y = 8
Answer: 
Step-by-step explanation:
Given : Nathan brings cupcakes to school and gives them to his five best friends, who share them equally.
i.e. Number of friends = 5
If c represents the number of cupcakes Nathan brings to school, then the number of cupcakes each of his friends receive is given by using division operation :_

Hence, the expression to show how many cupcakes each of his friends receive. : 