Multiply and, if possible, simplify.(2x - y + 5z)(2x - y - 5z)
A. 4x2 + y2 - 25z2
B. 4x2 - 4xy + y2 + 20xz + 10yz - 25z2
C. 4x2 - 4xy + y2 - 25z2
D. 4x2 + y2 + 20xz + 10yz - 25z2
Answer: C
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A. Rational numbers B. Natural numbers C. Integers
Solve the problem. Write all linear equations in slope-intercept form.By reading a graph on defense spending in the country of Warpeas, you discover that in year 0 the country spent $235 million on defense and in year 8 spent $611 million. Write a linear function that relates y (in millions of dollars) to x.
A. y = 
x + 235
B. y = 
x + 235
C. y = 47x + 235
D. y = -47x - 235
Express the vector as a product of its magnitude and direction.3i + 11j
A. 130
B. 130(13.41i + 49.17j)
C. 4.47(390i + 1430j)
D. 
Construct a probability model for the experiment.Tossing one fair coin three times
What will be an ideal response?