Perform the indicated row operations on the following matrix. 
(-2)R1 + R2 ? R2
A. 
B. 
C. 
D. 
Answer: D
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Find the volume of the solid.
A. 4186.667 yd3 B. 104.667 yd3 C. 294.375 yd3 D. 523.333 yd3
Find the tax refund or tax due for the following people. The letter following the name indicates the marital status. Assume a 52-week year and that all married people are filing jointly. Use $4050 for each personal deduction, a standard deduction of $6300 for single taxpayers, $12,600 for married taxpayers filing jointly, and $9300 for head of household and the tax rate schedule.
A. $335.55 due B. $16,646.90 refund C. $16,646.90 due D. $335.55 refund
a) Determine whether the equation defines y as a linear function of x, and b) if so, write it in the form y = mx + b. ? x = 5y- 20 ? a) Answer yes or no. __________ ? b) If yes, then __________
What will be an ideal response?
Identify the coefficient of each term of the polynomial.-2h - 4z
A. -2 and 4 B. 2 and -4 C. 2 and 4 D. -2 and -4