Simplify.9 + (-19) - 18 + (-3)
A. -25
B. 5
C. 43
D. -31
Answer: D
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Determine whether the equation is true or false. 
= 
A. False B. True
Solve the problem.The number of students receiving a diploma from a local high school for the years 2000 through 2035 can be projected by the function y = -0.275x2 + 6.05x + 260, where x is the number of years after 2000.a. Is the vertex of the graph of this function a maximum or a minimum?b. Find the input and output at the vertex. Round to the nearest tenth when appropriate.
A. a. minimum b. (15, 293.3) B. a. maximum b. (11, 393.3) C. a. minimum b. (11, 293.3) D. a. maximum b. (11, 293.3)
Simplify.3 - 6(62 - 6 ? 4)
A. -69 B. -36 C. -717 D. 1080
Find the first four terms of the given sequence.a1 = 6, an = 
A. 6, - 
, -6, 
B. -6, 
, - 
, 
C. 6, - 
, 
, - 
D. 6, - 
, 6, - 