Find the probability.Elise has put 5 cans (all of the same size) on her kitchen counter; 2 cans of vegetables, 2 cans of soup , and 1 can of peaches. Her son, Ryan, takes the labels off the cans and throws them away. Elise then chooses 2 cans (without replacement) at random to open. Find the probability that she will open at least 1 can of soup.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the problem.Evaluate 
at (x, y, z) = (5, 3, 3) for the function u = p2 - q2 - r; p = xy, q = y2, r = xz.
A. 93 B. 27 C. 33 D. 87
Mathematics
Refer to a triangle ABC.If A = 27°23' and C = 69°18', find B.
A. 263°59' B. 264°59' C. 83°19' D. 84°19'
Mathematics
Answer the question.The points (1, 11), (4, 9), (6, 1), and (9, 4) are the vertices of a quadrilateral. Is the quadrilateral a rectangle?
A. Yes B. No
Mathematics
Pivot once about the circled element in the simplex tableau, and read the solution from the result. 
A. x3 = 5, x2 = -7, z = -10; x1, s1, s2 = 0 B. x3 = 10, x2 = 10, z = 7; x1, s1, s2 = 0 C. x3 = 10, x2 = 7, z = 10; x1, s1, s2 = 0 D. x3 = 5, x2 = -7, z = 10; x1, s1, s2 = 0
Mathematics