Solve the problem.A lot is in the shape of a right triangle. The shorter leg measures 60 meters. The hypotenuse is 20 meters longer than the length of the longer leg. How long is the longer leg?
A. 60 m
B. 80 m
C. 120 m
D. 100 m
Answer: B
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Determine all critical points for the function.y = 4x2 - 128
A. x = 0 B. x = 0 and x = 4 C. x = 4 D. x = 0, x = 4, and x = -4
Solve the problem.In a certain apportionment problem, State X has a standard quota of 73.9. The final apportionment to State X is 72 seats. This is called
A. the population paradox. B. the Alabama paradox. C. a lower-quota violation. D. an upper-quota violation. E. none of these
Without solving, determine the character of the solutions of the equation in the complex number system.x2 + 2x + 7 = 0
A. a repeated real solution B. two unequal real solutions C. two complex solutions that are conjugates of each other
Solve the problem.Within an area code, phone numbers consist of 7 numbers. If none of the first three numbers can be 0 or 1, how many different phone numbers are possible within an area code?
A. 2,097,152 B. 100,000 C. 10,000,000 D. 5,120,000