A bag contains 3 red marbles, 6 blue marbles, 2 yellow marbles, and 1 lavender marble. How many possible sets of three marbles are there?
?
A. ?220
B. ?1,320
C. ?6
D. ?720
E. ?440
Answer: A
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Solve the problem.The average of a data set consisting of 11 numbers is 6. The smallest of the numbers is Min = 1. If Max is the largest of the numbers in the data set, which of the following could be a possible value of Max?
A. 65 B. 6.4 C. 6.6 D. 6 E. none of these
Solve and give interval notation for the solution set. Then graph the solution set.4 < 1 - 4x ? 10
A. 
, 
B. 
, 
C.
, 
D.
, 
Solve.x2 + 10x + 25 = 10
A. -5 + 
, -5 - 
B. 5
C. 
, -
D. 5 + 
, 5 - 
Mr. Smith is 6 ft tall and walks at a constant rate of 2 ft/sec toward a street light that is 10 ft above the ground. At what rate is the length of his shadow changing when he is 6 ft from the base of the pole that supports the light? Enter just an integer (no units).
Fill in the blank(s) with the appropriate word(s).