Mika earns $25 for every 3 hrs of work. calder earns $15 for every 2 hrs of work. if calder works long enough to earn the same amount that mika earns in 9 hrs, how many hrs does he work?

Find the value of the variable and the length of each secant segment.

On the first of each month, shelly runs a 5k race. she keeps track of her times to track her progress. her time in minutes is recorded in the table: jan 40.55 july 35.38 feb 41.51 aug 37.48 mar 42.01 sept 40.87 apr 38.76 oct 48.32 may 36.32 nov 41.59 june 34.28 dec 42.71 determine the difference between the mean of the data, including the outlier and excluding the outlier. round to the hundredths place. 39.98 39.22 0.76 1.21

What is the answer to this question? i'm a bit stumped. also how do i do it? 5(x - 4) = 2(x + 5)