1) A dolphin swam to a depth of 110 feet below sea level. Then, it rose 85 feet. What was the dolphin's final depth?

Let w=23 . what is the value of w + 45 ?

Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee,f, for a single job is a function of the number,t, of hours it takes him to complete the job. write the function's formula.

10% of 1,900,000. show me how you got the answer