The top of a mountain is 2,436 feet above sea level. a shipwreck is 1,020 feet below sea level. how far is the top of the mountain from the shipwreck?

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.

How to write four times a number,minus 6,is equal to theee times the number+8 as an equqtion

Find the volume of the solid obtained by rotating the region enclosed by the curves y=1x and y=7^-x about the x-axis. (use symbolic notation and fractions where needed.) volume =