Find the equation of the least-squares regression line. Graph the line and data points on the same graph.
A. y = 4.88 + 0.625x
B. y = 4.88 + 0.525x
C. y = 4.98 + 0.725x
D. y = 4.98 + 0.425x
Answer: B
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Provide an appropriate response.The function f(x) = x2 is a probability density function on the interval [0, b]. What is b?
A. 
B. 
C. 
D. 
Evaluate the integral.
A. 0
B. 7
i
C. 7
i + 5
j
D. 5
i
Write a variable expression to describe the situation.The attendance at the theater on Friday night was greater than the attendance on Saturday night. The difference in the attendance between the two nights was 754 people. Use f for the number of people at the theater on Friday and s for the number of people at the theater on Saturday.
A. 
= 754
B. f - s = 754
C. s - f = 754
D. f + s = 754
Write the first four terms of the geometric sequence with the given values.a1 = 972, r = - 
A. 972, -324, 108, -36 B. -972, 324, -108, 36 C. -324, 108, -36, 12 D. 972, 324, 108, 36