Solve the problem.For the following table of data, a.Draw a scatterplot.b.Calculate the correlation coefficient.c.Calculate the least squares line and graph it on the scatterplot.d.Predict the y-value when x is 10.
?
A. a.
b. 0.965
c. Y = 0.45x - 5.53
d. -1.03
B. a.
b. 0.965
c. Y = -0.45x + 5.53
d. 1.03
C. a.
b. -0.965
c. Y = -0.45x - 5.53
d. -10.03
D. a.
b. -0.965
c. Y = -0.45x + 5.53
d. 1.03
Answer: D
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Solve the problem.The shape and density of a thin shell are indicated below. Find the coordinates of the center of mass.Shell: cone x2 + y2 - z2 = 0 between z = 1 and z = 4Density: constant
A. 
B. 
C. 
D. 
Solve. Round to the nearest cent, if necessary.A college student borrows $1200 for 10 months to pay for a semester of school. If the interest is $60, find the monthly payment.
A. $6.00 B. $120.00 C. $63.00 D. $126.00
Solve for the missing number.
= 
A. 2.8 B. 1.8 C. 5.2 D. 4.2
Factor the polynomial completely. If the polynomial is prime, so state.-100a2 + 120a - 32
A. -4(5a - 2)(5a - 4) B. (-20a + 8)(5a - 4) C. (5a - 2)(-20a + 16) D. -4(5a + 2)(5a + 4)