f(5) = <span> -2(5)^2 + 2(5) -3
f(5) = -50 + 10 - 3
f(5) = -43
hope it helps</span>
20 degrees-> acute since less than 90
27 degrees-> acute since less than 90
133 degrees-> obtuse since more than 90
Answer:
x + y
Step-by-step explanation:
An expression for the average of x,2x and 3y
average = (x+2x+3y)/3
= (3x+3y)/3
= 3(x+y)/3
= x + y
i have no clue what so ever -_-