Find the volume of the solid obtained by rotating the region bounded by y=x and x=
about the x-axis.
Select the correct answer.
a. 16?
b. 7/2
c. 
d. 18/35
e. 
c.
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Simplify the expression.64-1/3
A. 4
B. 
C. 
D. -4
Answer the question.There is a commutative property for both addition and multiplication. Is there a commutative property for subtraction? If so, state the property.
A. Yes. x - y = y - x B. No.
A store manager wants to know the demand y for an energy bar as a function of price x. The daily sales for three different prices of the energy bar are shown in the table. Price, x $0.94 $1.21 $1.55 Demand, y 490305340? ? (i) Use the regression capabilities of a graphing utility to find the least squares regression line for the data.(ii) Use the model to estimate the demand when the price is $1.38. Round your answer to the six decimal places. ?
A. (i) 
; (ii) 374.134036
B. (i) 
; (ii) -453.157181
C. (i) 
; (ii) 542.199365
D. (i) 
; (ii) -453.157181
E. none of the above
Solve the equation and check.
Fill in the blank(s) with the appropriate word(s).