José is r years old. keith is 3 times as old as he is. lara is 4 years younger
than keith
a. find keith's age in terms of r.
b. find lara's age in terms of r.
c. if r = 5, how old is lara?

Alocal concert promoter purchases 2 3/4 pages of ads. when one of the concerts is cancelled, the promoter cancels 1 5/8 pages of ads. how much advertising space is the concert promoter actually using?

What are the measures of ∠a, ∠b, ∠c and ∠d? explain how to find each of the angle measure.

Solve 2^x=32 and rewrite this equation in a logarithmic form