Decide whether or not the ordered pair is a solution to the equation.8x + 15y = -9; (-3, 1)
A. Yes
B. No
Answer: A
Mathematics
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Write the number in scientific notation.57 × 104
A. 0.57 × 104 B. 5.7 × 104 C. 5.7 × 103 D. 5.7 × 105
Mathematics
Solve the problem.In a sports league of n teams in which each team plays every other team twice, the total number N of games to be played is given by N = n2 - n. What is the total number of games to be played in a football league having 17 teams?
A. 306 B. 289 C. 272 D. 34
Mathematics
Perform the following operation and write the result in lowest terms. 20
- 5
A. 15
B. 14
C. 10
D. 15
Mathematics
Find a unit vector that has the same direction as the given vector.u = 
A. 
B. 
C. 
D. 
Mathematics