There are 60 tables in the restaurant, with 25% of them seating two people. the tables remaining seat four people. how many seats are there in the restaurant.

In triangle △abc, ∠abc=90°, bh is an altitude. find the missing lengths. ah=4 and hc=1, find bh.

How many heads would you expect if you flipped a coin twice? first, fill in the table below with the correct probabilities. hint: the sample space for flipping a coin twice is {hh, ht, th, tt}. a = b = c = f

How can writing phrases as algebraic expressions you solve problems?