Combine like terms.5x + 15x
A. 40x
B. 20x2
C. 20x
D. 75x
Answer: C
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Solve the problem.Suppose that an object's acceleration function is given by 
The object's initial velocity is 4, and the initial position is 9. Find the object's displacement as a function of time.
A. s = 
t3 + 3t2 + 4t
B. s = 
t3 + 3t2 + 9t + 4
C. s = 2t2 + 6t + 4
D. s = 
t3 + 3t2 + 4t + 9
The following data are the number of social network friends for nine random users.76?91?123?63?106?211?84?111?46(a) Find the mean, median, and mode for the data. Round the value of the mean to the nearest whole number, if necessary.(b) A new user opens a social network account starting with 19 friends. Add this data to the data set and find the new mean, median, and mode for the data. Round the value of the mean to the nearest whole number, if necessary.
A. (a) mean: 93, median: 111, mode: 111; (b) mean: 85, median: 101, mode: 111 B. (a) mean: 101, median: 91, mode: no mode; (b) mean: 101, median: 111, mode: no mode C. (a) mean: 93, median: 111, mode: 111; (b) mean: 91, median: 111, mode: 111 D. (a) mean: 101, median: 91, mode: no mode; (b) mean: 93, median: 101, mode: no mode
Use a protractor and a ruler to draw a quadrilateral with two angles of 120° and 3 congruent sides. Name the shape that you have created.
What will be an ideal response?
Use U = universal set = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9}, A = {1, 2, 3, 5, 8}, B = {2, 3, 5, 7}, and C = {1, 4, 9} to find the set.
A. {1, 4, 6, 8, 9} B. {1, 2, 3, 5, 7, 8} C. {4, 6, 9} D. {0, 4, 6, 9}