A study found that the average time a person spent exercising each week was 84 minutes, but there could be up to a 3% error in this number. Which of these could be the actual average time spent?
es
A)
78.32 minutes
B)
81.48 minutes
C)
87.32 minutes
D)
88.64 minutes

B is the answer

How to find the exponential function y=ca^x, with points (1,2) and (2,1)

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.

Find cot x if sin x cot x csc x = √2