To complete a task in 15 days a company needs 4 people each working for 8 hours per day. the company decides to have 5 people each working for 6 hours per day. assume that each person works are the same rate. how many days will the task take to complete?

Which sum or difference identity would you use to verify that cos (180° - ∅) = -cos ∅? a. sin (α -β) = sin α cos β – cos α sin β b. cos (α -β) = cos α cos β – sin α sin β c. cos (α -β) = cos α cos β + sin α sin β d. sin (α + β) = sin α cos β + cos α sin β

(urgent ) use pi 3.14 to estimate the circumference of the circle to the nearest hundredth middle is 4in (urgent )

Complete the solution of the equation. find the value of y when x equals to 28 x+3y=28