Simplify.71 - 8 ? 6 + 128 ÷ (-8)
A. 7
B. 362
C. -25
D. -1055
Answer: A
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Use trigonometric identities to solve each equation in the interval [0, 2?]sec2 x - 2 = tan2 x
A. ?
B. 
C. 
D. 
Suppose that the graph of is given f is given. Describe how the graph of the function y = f(x - 3) - 3 can be obtained from the graph of f.
a. Shift the graph 3 units to the right and 3 units down. b. Shift the graph 3 units to the right and 3 units up. c. Shift the graph 3 units to the left and 3 units down. d. Shift the graph 3 units to the left and 3 units up. e. None of these
Perform the addition visually using symbols.-9 + (-10)
A. 19 B. -1 C. 1 D. -19
Use Gaussian elimination or Gauss-Jordan elimination to solve the problem.Ellen wishes to mix candy worth $4.34 per pound with candy worth $7.22 per pound to form 22 pounds of a mixture worth $6.57 per pound. How many pounds of the more expensive candy should she use?
A. 5 lb B. 17 lb C. 22 lb D. 7 lb