Answer:answer from math papa is b=−n+30
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Answer: 
Step-by-step explanation:
Given
Quadratic equation is

Solving by completing the square method

The solution set of the equation is 
perimeter or rectangle= 2l+2w
Surface area of a cylinder=2(pi)r^2+2(pi)r
Volume of a triangular prism=Bh
Area of a circle=(pi)r^2
Answer:
-67
Step-by-step explanation:
Answer: 8
Explanation: Without the discount, 8 frozen yogurts for $4 will come to $32. Deduct $2 from the total cost (32-2), and now they're paying $30.