Solve the problem.A triangle drawn on a map has sides of lengths 7.0 cm, 10 cm, and 13 cm. The shortest of the corresponding real-life distances is 126 km. Find the longest of the real-life distances. Round to the nearest unit.
A. 234 km
B. 180 km
C. 164 km
D. 68 km
Answer: A
Mathematics
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Determine whether the equation defines y as a function of x. y = ± 
A. function B. not a function
Mathematics
Multiply and simplify. Assume that all variables represent non-negative numbers.(
+ 
)(
- 
)
A. 6 - z
B. 6 - 2
C. 6z
D. 6 - 2
Mathematics
Indicate whether the value of x shown is a solution to the given equation by answering true or false.Value of x: 20
Equation: 2(x + 7) = 3(x - 2)
A. True B. False
Mathematics
Solve the problem.An object is thrown upward with an initial velocity of 11 ft per second. Its height is given by the function 
at time t seconds. After how many seconds does it land on the ground?
A. 6 seconds B. 7 seconds C. 9 seconds D. 3 seconds
Mathematics