Provide an appropriate response.In solving a system of three equations in three variables, the final step yields the following equation: 
How many solutions does this system have? Explain geometrically.
What will be an ideal response?
There are an infinite number of solutions, which are represented by the points on a plane or a line. All three planes coincide or the three planes intersect along a line. (Explanations will vary.)
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Solve the problem.To get an A in biology, Fred must have a mean score of 91 on six quizzes. Scores on the first five quizzes were 93, 85, 87, 95, and 96. What is the lowest score that Fred can get on the last quiz and still receive an A?
A. 103 B. 89 C. 90 D. 91
Translate to an equation and solve.16 is 1% of what number?
A. 16 = 0.1 × n; n = 160 B. 16 = 0.001 × n; n = 16,000 C. 16 = 0.01 × n; n = 1600 D. n = 0.01 × 16; n = 16
Evaluate.sin-1 
A. 
B. 
C. - 
D. 
Write the digits for the given period (group) in the whole number.90,000,876,665billionsmillionsthousandsones
A. billions 90 millions 000 thousands 876 ones 665 B. billions 0 millions 8 thousands 6 ones 5 C. billions 000 millions 876 thousands 665 ones 000 D. billions 9 millions 000 thousands 76 ones 65