Solve the problem.How many 2-digit numbers can be formed using the digits 1, 2, 3, 4, 5, 6, 7, 8, 9, and 0? No digit can be used more than once.
A. 90
B. 3,628,800
C. 45
D. 1,814,400
Answer: A
Mathematics
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Solve the problem.Paul and Saul ran a 50-meter race. When Paul crossed the finish line, Saul had run only 48 meters. Then they ran a second race, with Paul starting 2 meters behind the starting line. Assuming that both runners ran at the same pace as in the first race, who won the second race?
Fill in the blank(s) with the appropriate word(s).
Mathematics
Find the center and radius of the circle with the given equation. (x - 8)2 + (y + 10)2 = 121
A. (-10, 8); r = 11 B. (-10, 8); r = 121 C. (8, -10); r = 121 D. (8, -10); r = 11
Mathematics
Solve the equation by completing the square.p2 + 5p - 5 = 0
A. 
B. 
C. 
D. {-5 + 3
, -5 - 3
}
Mathematics
Add.
A. 1,218 B. 1,343 C. 943 D. 1,318
Mathematics