Bob has already earned 15 stamp problems while John has earned 42 stamp problems bob earns 9 stamps a week and John earns 6 stamps a week after how many weeks will the have the same amount of stamps

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

Abe is a triangle. can you use the sss postulate or the sas postulate to prove triangle abc = triangle aed? by sss only neither apply both apply by sas only

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu