Answer the question.Consider the linear equation in three variables x - y + z = 2. Find a pair of linear equations that, when considered together with the given equation, will form a system having no solution.
What will be an ideal response?
Answers will vary. (One example: x - y + z = 4 and 3x + 2y - z = 0)
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Solve the problem.Assume that your starting salary is $3138 and that you are getting an increase of $53 per month. Find the amount that you will earn in a year.
A. $41,154 B. $82,308 C. $3721 D. $3774
Provide an appropriate response.Kim Bone plans to wallpaper a room in an older home that measures 10 feet by 10 feet by 10 feet. She needs to leave out 68 ft.2 to allow for the window and door openings in the room. How much wallpaper will she need to purchase?
A. 400 ft2 B. 1,000 ft2 C. 932 ft2 D. 332 ft2
Solve.-0.3(20) + 0.6x = 0.3(20 + x)
A. x = 50 B. x = 40 C. x = 30 D. x = 20
If x = 3 cot ?, use trigonometric substitution to write 
as a trigonometric function of ?, where 
.
?
A. ?3 sec ? B. ?3 csc ? C. ?3 cos ? D. ?3 sin ? E. ?3 cot ?