F(x) =-5x+9
f(x) =-5(15)+9
f(x) =- 75+9
f(x)=-66
your answer is -66 :)
It is Obtuse since it greater than 90 degree
=Obtuse
x^2+14x = (x+7)^2
7^2 = 49
so you would add 49 to both sides
Answer:

Step-by-step explanation:
Given


Required
Write an expression for the selling price for b birdbaths
This selling price for 1 birdbath is calculated as:

Substitute 12 for Cost Price

Factorize:

Express percentage as decimal


For b birdbaths, the selling price is:


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