Decide what number must be added to the binomial to make a perfect square trinomial.x2 - 8x

A. 8
B. 32
C. -4
D. 16


Answer: D

Mathematics

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Solve the problem.A machine operator works both day and evening shifts. She works the day shift for 5 consecutive days, then the evening shift for 3 consecutive days, then the day shift for 2 consecutive days and then the evening shift for 4 consecutive days. If she is in day 3 of the 5-day consecutive day shift, what shift will she be working 79 days from now?

A. Day B. Evening

Mathematics

Solve.2x1/2 - 15x1/4 - 50 = 0

A. 10,000, 
B. -10-5
C. 10,000
D. 10, 

Mathematics

Write the formula using the "language" of variation. C = 2?r, where C is the circumference of a circle of radius r

What will be an ideal response?

Mathematics

Solve the problem.The formula  models the amount, L, in billions of dollars of new student loans x years after 1993. According to the model, in what year is the amount loaned expected to reach $39 billion?

A. 2014 B. 2009 C. 2013 D. 2012

Mathematics