A swimmer's best time in an event is 53.87 seconds. On average, his best time decreases by 0.28 second each of the next five times he swims the event. How much does his time decrease in all?

Does he accomplish his goals of swimming the event in less than 52.5 seconds? Yes or No?
I need to know the answer to both of these please thank you

i think c. but don't trust it.

step-by-step explanation:

i think it's ф or x=6,-6

step-by-step explanation:

-x^2=-36

x^2=-36

ф

or

if you mean by : -(x^2)=-36

it'll be: x^2=36

x=6,x=-6

hope it'll ! have a good day!

you for asking!

2425

step-by-step explanation:

answer: i could not see part the question so ill explain how to get the answer

step-by-step explanation: for instance the distance she travele d is 10 and she traveled the same amout each mile so do 10 divided by how many miles she drove each time and you ge your answer.