Robert ran 0.5 miles on July 1st. Each day thereafter, he ran 0.3 miles more than the previous day. Find
the total number of miles ran in the month of July
0 244.9 miles
176.2 miles
0 155.0 miles
0 145.5 miles

The average number of vehicles waiting in line to enter a parking lot can be modeled by the function f left parenthesis x right x squared over 2 left parenthesis 1 minus x right parenthesis endfraction , where x is a number between 0 and 1 known as the traffic intensity. find the rate of change of the number of vehicles waiting with respect to the traffic intensity for the intensities (a) xequals0.3 and (b) xequals0.6.

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.