Find the probability of the event if a single choice is made from a bag.A bag contains 7 red marbles, 4 blue marbles, and 1 green marble. What is the probability of choosing a marble that is not blue when one marble is drawn from the bag?
A. 8
B. 
C. 
D. 
Answer: B
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Solve the problem.Anthony has 63 toy cars and 84 toy trucks. He wants to divide them into groups that contain the same number of vehicles. Also, each group must contain the same type of vehicle 
What is the largest number of toys that can be put into each group?
A. 21 B. 9 C. 3 D. 7
Evaluate the expression for the given values of the variables. x2(y - z) for x = 
, y = 
, z = 
A. 
B. 
C. - 
D. 
Solve the problem.In a science experiment, Stephen collected data which formed the sequence: 0.0435, 0.0465, 0.0495, 0.0525, 0.0555, 0.0585, 0.0615, 0.0645, 0.0675, 0.0705Is this sequence arithmetic? If so, what is the common difference?
A. Yes; 0.003 B. Yes; 0.004 C. Yes; 0.0032 D. No
Solve.The population of a small country increases according to the function 
where t is measured in years. How many people will the country have after 7 years?
A. 1,946,172 B. 813,337 C. 1,480,414 D. 1,872,777