Answer:
12 of the clients had long hair
Step-by-step explanation:
12 had long hair, 8 had short hair
Answer:

Step-by-step explanation:
We are asked to find the value of the indefinite integral
.
Let us solve our given problem applying sum rule as:




Now, we will use power rule.



Therefore, our required integral would be
.
The option B is correct, The second expression gives the correct value -24.
According to the statement
we have given that the some expression and a = -2 and b = 3 and we have to which expression gives a output of answer -24 after put the values in the expressions.
So, For this purpose
First expression:

Put a = -2 and b = 3
then

Second expression:

Put a = -2 and b = 3
then

Now,
Third expression:

Put a = -2 and b = 3
then

Now,
Fourth expression and first expression are same,
So,
Fourth expression:

Put a = -2 and b = 3
then

The second expression gives the correct value -24.
So, The option B is correct, The second expression gives the correct value -24.
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Area of trapezoid(A) =(1/2) (b1 + b2)*h
b1= x - shorter base
b2=2x - longer base
A=975 m²
h=50 m
975 =(1/2) (x + 2x)*50
975 = 25*3x
975 = 75x
x=975/75 = 13 m
x= b1 = 13 m
b2=13*2=26 m
b1=13 m,
b2 = 26 m,