Factor by grouping.4x - 48 + xy - 12y
A. (y - 12)(4x + y)
B. (y - 12)(x + 4)
C. (x - 12)(4 + y)
D. (x - 12y)(4 + y)
Answer: C
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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.Suppose that the student is given the N-value. What is a reasonable estimate for the number of red marbles in the container?
A. 107 B. 300 C. 480 D. 320 E. none of these
Solve the problem.If you measure the circumference of a circle to be 10 inches, estimate the length of its radius. Use ? on your calculator and round to the nearest hundredth.
A. 3.18 in. B. 2.59 in. C. 1.59 in. D. 1.67 in.
Solve the problem.Evaluate the expression for the given values of the variables: (x + y)2; x = 
; y = 
A. 
B. 
C. 
D. 
Provide an appropriate response.Explain chargebacks or dockings.
What will be an ideal response?