Solve using Cramer's Rule. y + 3z = 72x - 4z = 3 x + 6y = -8
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Decide which of the two given prices is the better deal.You can buy hair product in a 12-ounce bottle for $4.56 or in a 8-ounce bottle for $2.88.
A. not enough information B. 8-ounce bottle for $2.88 C. equal value D. 12-ounce bottle for $4.56
Mathematics
Multiply.(2x + 8y)(-5x - 7y + 1)
A. -10x2 - 54xy - 54y2 B. -10x2 - 54xy + 2x - 56y2 + 8y C. -10x2 - 14xy + 2x - 56y2 D. -10x2 - 40xy + 2x - 56y2 + 8y
Mathematics
Use a calculator to find ? to the nearest tenth of a degree, if 
and
?
with ? in QIII
?
A. 201.3º B. 200.1º? C. 196.8º D. 194.8º E. 197.8º
Mathematics
Evaluate the determinant.
A. -8 B. 8 C. -6 D. -22
Mathematics