Marissa has $100. she has to buy 50 items to be eligible for a $100 shopping card, if she is buying 50 packs of gum for $2.05 each, will she have enough money to buy 50 items? if not, how much more money does she need?

Given that ot =5, xt=12, and ox= 13 is xy tangent to circle o at t? explain.

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?