Find the probability.A bag contains 6 red marbles, 2 blue marbles, and 1 green marble. What is the probability of choosing a marble that is not blue?
A. 
B. 7
C. 
D. 
Answer: A
Mathematics
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Match the equation with the surface it defines.
- 
= 
A. Figure 4 B. Figure 3 C. Figure 1 D. Figure 2
Mathematics
Determine the sum or difference in the given clock arithmetic.2 + 5 (clock 7)
A. 7 B. 1 C. 2 D. 5
Mathematics
Write a formula for the general term (the nth term) of the arithmetic sequence. Then use the formula for an to find a20, the 20th term of the sequence.a1 = 4, d = 0.8
A. an = 4n - 3.2; a20 = 76.8 B. an = 0.8n + 4; a20 = 20 C. an = 0.8n + 3.2; a20 = 19.2 D. an = 4n + 0.8; a20 = 80.8
Mathematics
Solve.Paul must lift a 56.5-pound backpack a distance of 20 feet. Find the energy required to move the backpack.
A. 56.5 ft-lb B. 66.5 ft-lb C. 5.7 ft-lb D. 1130 ft-lb
Mathematics