Solve the equation.7x = 8(x + 6) - 7
A. -55
B. 55
C. -41
D. 41
Answer: C
Mathematics
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What is the sum of the first 80 consecutive odd numbers? ?
A. 6,396 B. 6,404 C. 6,360 D. 6,400 E. 6,480
Mathematics
Factor out the greatest common factor.18y4 + 10y3 + 4y2 - 2y
A. 2(9y4 + 5y3 + 2y2 - y) B. 2y(9y3 + 5y2 + 2y - 1) C. 2y(9y3 + 5y2 - 2y - 1) D. 2y2(9y2 + 5y + 2)
Mathematics
Provide an appropriate response.Formulate the dual problem for the linear programming problem:Minimize C = 22x1 + 15x2subject to 
A.
| Maximize | P = 3y1 + 2y2 |
B.
| Maximize | P = 3y1 + 2y2 |
C.
| Maximize | P = 3y1 + 2y2 |
D.
| Maximize | P = 22y1 + 15y2 |
Mathematics
The sizes of two matrices are given. Find the size of the product AB and the size of the product BA, if the given product can be calculated.A is 2 × 4; B is 4 × 2.
A. AB is 2 × 2; BA cannot be calculated. B. AB cannot be calculated; BA is 4 × 4. C. AB is 4 × 4; BA is 2 × 2. D. AB is 2 × 2; BA is 4 × 4.
Mathematics