Solve the problem.A local civic theater has 22 seats in the first row and 21 rows in all. Each successive row contains 3 additional seats. How many seats are in the civic theater?
A. 1010 seats
B. 1092 seats
C. 1070 seats
D. 790 seats
Answer: B
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Convert the common fraction into decimal form. If necessary, round to the nearest thousandth.
A. 0.752 B. 1.329 C. 1.439 D. 1.139
Use the appropriate sum or difference identity to write the given expression as a function of x alone.sin (180° + x)
A. cos x B. - cos x C. - sin x D. sin x
Solve the problem.Suppose that the odds against winning the grand prize in the lottery are 80,000,000 to 1. What is the probability if winning the lottery?
A. 
B. 
C. 
D. 
E. none of these
Graph the parabola and label the vertex. Find the y-intercept.y = 2(x + 1)2 + 
A. vertex (- 1, 
), y-intercept (0, -8.5)
B. vertex (1, 
), y-intercept (0, 8.5)
C. vertex (- 1, - 
), y-intercept (0, -4.5)
D. vertex (- 1, 
), y-intercept (0, 8.5)