a two story building measures 21 feet from the ground .a scale model shows the building to be 3in tall .how many inches would an 84 foot building be in the model

If the graphs of the linear equations in a system are parallel, what does that mean about the possible solution(s) of the system? a. there are infinitely many solutions. b. there is no solution. c. there is exactly one solution. d. the lines in a system cannot be parallel.

Tiffany drives 285,120 feet before lunch and 628,320 feet after lunch. about how many kilometers does she drive all together

Which of the following describes the symmetry of the graph of y = x3?