Billy had $90 to spend at a march madness basketball game. he spent 4/5 of the money on his ticket. then he spent 1/2 of the remaining money at the concession stand. while walking back to his seat he saw a new hat on sale for $8. does he have enough money to buy the hat ? explain your answer. show all your work.

The letter tiles shown below are in a bag. whiteout looking i am going to draw one tile. what are my chances of drawing g?

One integer is 8 times another. if the product is 72, then find the integers

The birth weights of newborn babies in the unites states follow in a normal distrubution with a mean of 3.4 kg and standard deviation of 0.6 kg. reaserches interested in studying how. children gain weights decide to take random samples of 100 newborn babies and calculate the sample mean birth weights for each sample