Find the slope of the line through P(–9,1) and Q(–3,–11).

A) m = –1
B) m = –2
C) m = –4
D) m = –3
E) m = 0


B) m = –2

Mathematics

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Use the distributive property to multiply the given expressions.3(5x + 4)

A. 27x B. 15x + 4 C. 8x + 7 D. 15x + 12

Mathematics

Solve the problem. Use 3.14 as the approximate value of ?. Round to the nearest tenth,if necessary.A cylindrical paint can is 3 in. across the top and about  high. How many cubic inches of paint could it hold?

A. 150.7 in.3  B. 56.5 in.3  C. 226.1 in.3  D. 113.0 in.3

Mathematics

Solve by graphing.The cost y (in hundreds of dollars) of tuition at one community college is given by the linear equation  where x is the number of credits for which a student registers. Graph the equation and use the graph to estimate the cost of tuition if a student registers for 14 credits. 

A. $2900 B. $2500 C. $1700 D. $1950

Mathematics

Find z1z2. Write your answer in standard polar form with the argument in radians.z1 = , z2 = 

A. 3(sin 0 + i cos 0)
B. 3
C. 3(cos 0 + i sin 0)
D. 3

Mathematics