PLEASE HELP!! a. R(m)= 45(1.75-1)^m
b. R(m)= 45(1.75)^m
c. R(m)= -1.75m+45
d. R(m)= 1.75m + 45

There is diarrhea on the floor. what do i do? my mum gonna see that i diarrhea on the floor! * don't report, i'm serious! *

Samantha swam upstream for some distance in one hour. she then swam downstream the same river for the same distance in only 12 minutes. if the river flows at 4 mph, how fast can samantha swim in still water?

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