The one on the bottom says: tonight, duane needs to bring home only his math and science textbooks. tomorrow, he has to bring his science project to school. his project weighs 5 pounds. find the total weight duane will carry in his backpack tomorrow.

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

Suppose a pendulum is l meters long. the time,t,in seconds that it tales to swing back and forth once is given by t=2.01

Me asap! what is the slope of this line? enter your answer in the box.