Add or subtract as indicated. Make sure that your answer is reasonable by estimating first.19.265 - 11.026
A. 8.339
B. -8.239
C. 30.291
D. 8.239
Answer: D
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Use the formula for 
to solve.From 9 names on a ballot, a committee of 3 will be elected to attend a political national convention. How many different committees are possible?
A. 252 B. 60,480 C. 84 D. 504
Find the equation of the line passing through the indicated two points. Write the equation in point-slope form.(-4, -7) and (2, 11)
A. y + 7 = 3(x + 4) or y - 11 = 3(x - 2) B. y - 7 = 3(x - 4) or y + 11 = 3(x + 2) C. y + 7 = 3(x - 4) or y - 11 = 3(x + 2) D. y - 7 = 3(x - 4) or y - 11 = 3(x - 2)
Simplify the radical expression. Assume that all variables represent positive real numbers.
A. 7xy
B. 7xy
C. 3xy
D. 7xy
Determine whether the graph representing the equation is symmetric with respect to the x-axis, the y-axis, the origin or none.5x = 4y2 - 2
A. x-axis only B. x-axis, y-axis, origin C. origin only D. y-axis only