4 6 9 76 89 90 90 90 90 94 100 100 100 8 7. Draw a scatter diagram of y (blood pressure) versus x (sound pressure). Does a simple lincar egression model seem reasonable? Fit the simple lincar regression model using least squares. Find an estimate of o Find the predicted mean rise in blood pressure level associated with a sound pressure level of 90 lecibels.

Q: 3a - 7b - 5a + b

A: To seperate the terms of a and b, we get3a - 5a - 7b + b

Q: x² ,2 xp V16-x2

A:

Q: 5p2 - p2

A:

Q: V24x15y5 3

A:

Q: 1n+2

A: We need to find : ∫1n+1n dn

Q: 2(3y-6)/2=3y

A: 2(3y-6)/2=3y

Q: 2x×4=6y

A: Given problem

Q: find domain

A: If you have any questions let me know in comment box thankyou for your question.

Q: (4x)2

A: To evaluate(4x)2

Q: 4x + 2y=8 6x - 4y=5

A: Given4x+2y=8 and    --- Eq 16x-4y=5           --- Eq 2We solve for x and yFrom Eq 1:2y=8-4x…

Q: 9x+4y=13 3x+5y=9

A:

Q: V6x + 7 – 2 = x

A:

Q: 2a+3a=c

A:

Q: 4 5x2 Evaluate dx. TV3x2-1

A:

Q: 3+2x2x

A:

Q: -3a + 12a

A: -3a+12a=9a