Solve the problem.Four boys and three girls are seated, in a row, at random, to watch a play. What is the probability thata) a girl is seated at each end of the row?b) one of the boys is seated in the middle seat?c) boys and girls are seated alternately?

A. a)   b)   c) 
B. a)   b)   c) 
C. a)   b)   c) 
D. a)   b)   c) 


Answer: B

Mathematics

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Find an equation of the line that satisfies the conditions. Write the equation in standard form.Through (5, -2); m = 0

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Mathematics

Evaluate the expression. ?

Fill in the blank(s) with the appropriate word(s).

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Solve the problem.A coin is tossed upward from a balcony  high with an initial velocity of  During what interval of time will the coin be at a height of at least (h = -16t2 + vot + ho.)

A. 0 ? t ? 5 B. 4 ? t ? 5 C. 0 ? t ? 1 D. 5 ? t ? 10

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Solve.Susan's back yard is rectangular with dimensions 36 yd. by 73 yd. Carlos's back yard is rectangular with dimensions 30 yd. by 57 yd. How much larger is the area of Susan's back yard than the area of Carlos's back yard?

A. 2628 yd.2 B. 44 yd.2 C. 918 yd.2 D. 4338 yd.2

Mathematics