A surveyor uses a trundle wheel to measure the length of a trail. The device uses a 2-foot diameter wheel and counts the number of revolutions the wheel makes. If the device reads 1,100.5 revolutions, at the end of the trail, how many miles long is the trail?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (–4, 0) and (6, 0). the y-intercept of the first parabola is (0, –12). the y-intercept of the second parabola is (0, –24). what is the positive difference between the a values for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth

36x2 + 49y2 = 1,764 the foci are located at: a) (-√13, 0) and (√13,0) b) (0, -√13) and (0,√13) c) (-1, 0) and (1, 0)