Find the angle between the planes.-7x - 2y - 6z = -5 and 4x + 2y - 9z = -2
A. 1.412
B. 1.337
C. 0.605
D. 0.234
Answer: B
Mathematics
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Factor by removing the common binomial factor.r(s - 1) + 7(s - 1)
A. r(s - 1) + 7 B. (r + 7)(s - 1) C. (r - 7)(s + 1) D. 7r(s - 1)
Mathematics
Add.-5 + [6 + (-13) + 24]
A. -36 B. 48 C. 12 D. -26
Mathematics
Factor by grouping.7y - 70 + xy - 10x
A. (x - 10)(7y + x) B. (y - 10)(7 + x) C. (y - 10x)(7 + x) D. (x - 10)(y + 7)
Mathematics
Simplify.
A. 
B. 
C. 
D. 
Mathematics