Evaluate the expression according to the order of operations.4 + 6 ÷ 2 + 6
A. 13
B. 8
C. 9
D. 12
Answer: A
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Provide an appropriate response.Through a mix-up on the production line, 5 defective televisions were shipped out with 25 good ones. What is the probability that a customer will choose a defective one at random?
Fill in the blank(s) with the appropriate word(s).
Graph the function f(x) over the given interval. Partition the interval into 4 subintervals of equal length. Then add to your sketch the rectangles associated with the Riemann sum 
, using the indicated point in the kth subinterval for ck.f(x) = 2x + 4, [0, 2], left-hand endpoint
A. 
B. 
C. 
D. 
Use the fundamental identities to simplify the expression.
+ sec ? cos ?
A. tan2? B. csc2? C. sec2? D. 1
Use these sets to find the following. Identify any disjoint sets.Let U = {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12}, M = {2, 4, 6, 8}, 
and 
M ? N
A. {2, 3, 4, 5, 6, 7, 8, 9, 11} B. {4, 5, 6, 7, 11} C. ?; M and N are disjoint sets. D. {3, 4, 5, 6, 7, 8, 9, 10, 11}