A sequences is defined by f(0) = -20, f(n) = f(n - 1) - 5 n>1
Explain why f(1) = -20 -5
Show your work.

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

Aladder that is 20ft long is leaning against the side of a building. if the angle formed between the ladder and the ground is 75 degrees how far is the bottom of the from the base of the building?

Simplify using positive exponents only.