Factor completely.625x2 + 50xy + y2
A. (25x + y)(25x - y)
B. (25x + y)2
C. (25x - y)2
D. (x + 25y)2
Answer: B
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As part of a statistics project, a 6th grade teacher brings to class a container with 300 red marbles and 500 white marbles which are thoroughly mixed. To figure out how many marbles in the container are red without actually counting them all, a student randomly draws 40 marbles from the container. Of the 40 marbles drawn, 16 are red.The sampling error is most likely a result of
A. a confounding variable. B. sampling bias. C. sampling variability. D. nonresponse bias. E. none of these
Solve the problem.Find the ordinary interest on a loan of $22,000 at 11% annually for 65 days.
A. $2420.00 B. $430.22 C. $22,436.94 D. $436.94
Find the slope and y intercept of the graph of the equation.y = x + 3
A. Slope = 1; y intercept = 3 B. Slope = 3; y intercept = 1 C. Slope = 3; y intercept = -1 D. Slope = 0; y intercept = -3
Change the logarithmic expression to an equivalent expression involving an exponent.log? 37 = x
A. x? = 37
B. ?x= 37
C. 37x = ?
D. ?x = 