Solve the problem.The following data represents the Olympic winning time in Women's 100 m Freestyle. 
Using the line of best fit (with slope correct to 5 decimal places) for the data set, predict the Olympic winning time in 2000.
Fill in the blank(s) with the appropriate word(s).
53.56
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Find the y-intercept for the graph of the quadratic function.f(x) = x2 - 4
A. 16 B. -4 C. 4 D. -16
Translate the problem situation to a system of equations. Do not solve.Sarah Comar's Candy Store sold 15 individual pounds of jelly beans, one kind at $4.27 per pound and the other at $0.87 per pound. In all, $36.85 was taken in for the two types of jelly beans. How many pounds of each kind were sold?
A. x + y = 5.14; 4.27x + 0.87y = $36.85 B. x + y = 15; 4.27x + 0.87y = $36.85 C. x + y = 15; 5.14x + y = $36.85 D. x + y = 36.85; 4.27x + 0.87y = $15
Solve the problem.The manager of a coffee shop has one type of coffee that sells for $8 per pound and another type that sells for $15 per pound. The manager wishes to mix 60 pounds of the $15 coffee to get a mixture that will sell for $11 per pound. How many pounds of the $8 coffee should be used?
A. 70 lb B. 140 lb C. 80 lb D. 40 lb
Solve.x4 + 25 = 26x2
A. -1, 1, -5i, 5i B. -1, 1, -5, 5 C. 1, 25 D. -i, i, -5i, 5i