Solve using matrices. x + 7y = -23x + y = 34
A. (12, -2)
B. (-2, 3)
C. (7, 12)
D. (3, 7)
Answer: A
Mathematics
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Add or subtract. Write the answer in lowest terms.
- 
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Bert is 16.5 kilometers away from Brenda. Both begin to walk toward each other at the same time. Bert walks at 3 kilometers per hour. They meet in 3 hours. How fast is Brenda walking?
A. 4.5 kilometers per hour B. 2.5 kilometers per hour C. 3 kilometers per hour D. 3.5 kilometers per hour
Mathematics
Solve the inequality analytically. Support the answer graphically. Give exact values for endpoints.-3x2 + 3x - 5 ? 0
A. [
, 5]
B. [-3, - 
]
C. (-?, ?)
D. ?
Mathematics
Solve the rational inequality.
> 0
A. (-?, -5) B. (-5, 1) C. (-?, -5) ? (1, ?) D. (1, ?)
Mathematics