Again
1) a friend is training for a marathon. she can run 4 miles in 28 minutes. assume that she runs at a constant rate. write an equation to represent, y,your friend can run in x minutes.
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Find the pattern and use it to list the nth term in the sequence. 6, 12, 20, 30, 42, 56, the nth term of the sequence is

Sara goes on a slingshot ride in an amusement park. she is strapped into a spherical ball that has a radius 3*10^2 of centimeters. what is the volume of air in the spherical ball? use this formula: volume of a sphere=4/3pi,r^3 , where r is the sphere’s radius.

What graph represents an even function