Write the augmented matrix for the system. 3x + 2y = 29 2y = 2
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Calculate the area of the surface S.S is the lower portion of the sphere x2 + y2 + z2 = 49 cut by the cone z = 
.
A. 14
?
B. 49
C. 98
?
D. 49
?
Mathematics
Solve the system of equations by using elimination by addition.
A. (6, 3) B. (7, 2) C. (-7, 3) D. Inconsistent
Mathematics
Graph the inequality.y ? -4
A. 
B. 
C. 
D. 
Mathematics
The sizes of two matrices A and B are given. Find the sizes of the product AB and the product BA, if the products are defined.A is 2 × 1, B is 1 × 1.
A. AB is 1 × 2, BA is 1 × 1. B. AB is 2 × 2, BA is 1 × 1. C. AB is 2 × 1, BA is undefined. D. AB is undefined, BA is 1× 2.
Mathematics