Herman is building a picnic table for a campground. the picnic table is 5feet 10inches long. herman built the picnic table in 2 days. the first day he worked for 3 hours 45 min. the second day he worked for 2 hours 10 min long. how long did it take to build the table.

You deposit $5000 each year into an account earning 3% interest compounded annually. how much will you have in the account in 30 years?

Afactory makes propeller drive shafts for ships. a quality assurance engineer at the factory needs to estimate the true mean length of the shafts. she randomly selects four drive shafts made at the factory, measures their lengths, and finds their sample mean to be 1000 mm. the lengths are known to follow a normal distribution whose standard deviation is 2 mm. calculate a 95% confidence interval for the true mean length of the shafts. input your answers for the margin of error, lower bound, and upper bound.

Scenario: a rectangular plot of ground is 5 meters longer than it is wide. its area is 20,000 square meters. question: what equation will you find the dimensions? note: let w represent the width. options: w(w+5)=20,000 w^2=20,000+5 (w(w+5))/2=20,000 w+2(w+5)=20,000