Multiply.(9y + 11)(7y2 - 2y - 5)
A. 63y3 - 18y2 - 45y + 11
B. 140y2 - 40y - 100
C. 63y3 + 95y2 + 67y + 55
D. 63y3 + 59y2 - 67y - 55
Answer: D
Mathematics
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?What divisibility rules are used to create a divisibility rule for 56? ?
A. ?8 rule and 7 rule. B. 28 rule twice. C. ?4 rule, 7 rule. D. ?3 rule and 7 rule. E. ?3 rule twice.
Mathematics
Find the center of mass of a thin plate covering the given region with the given density function.The region enclosed by the parabolas y = 8 - x2 and y = x2, with density ?(x) = x2
A. 
= 4, 
= 0
B. 
= 0, 
= 
C. 
= 0, 
= 4
D. 
= 0, 
= 8
Mathematics
Determine whether the given value is a solution of the equation.-3x - 5 = -38; 11
A.
| A solution |
B. Not a solution
Mathematics
Solve.4x2 = 44
A. 12
B. 22
C. ±11
D. ±
Mathematics