Asubmarine has an elevation of -35 meters compared to sea level. it then makes 3 equal descents of 145 meters each. is the final depth of the submarine greater than 500 meters. explain how you solved the problem.

Neoli is a nurse who works each day from 8: 00 am to 4: 00 pm at the blood collection centre. she takes 45 minutes for her lunch break. on average, it takes neoli 15 minutes to collect each sample and record the patient's details. on average, how many patients can neoli see each day?

Which expression and diagram represent “renee biked four times as far this month as last month”?

Aclassmate thinks that solving a system by graphing gives an exact answer when the lines appear to cross at a grid point, but only an approximate answer when they don't. explain why this isn't true.