Fitness First is running a promotion right now which includes a discounted annual membership fee of $50 plus a $5 charge every time you use the gym facilities. If a person plans to use the gym at least 3 times a week for the entire year, how much will it cost them?

to find the total number of combinations, multiply the quantity of each item by each other:

2 pairs of shoes x 3 pairs of shorts = 6 different combinations.

isaiah walks 3 miles due north, turns and then 5 miles due east. how far is he from his starting point?

a^2 + b^2 = c^2

let c = distance from starting point.

(3)^2 + (5)^2 = c^2

9 + 25 = c^2

34 = c^2

sqrt{34} = sqrt{c^2}

sqrt{34} = c