Miguel and three of his friends went to the movies. They originally had a total of $40. Each boy had the same amount of money and spent $7.50 on a ticket. Write and solve an equation to find how much money each boy have left after buying his ticket

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

Katie wants to collect over 100 seashells. she already has 34 seashells in her collection. each day, she finds 12 more seashells on the beach. katie can use fractions of days to find seashells. write an inequality to determine the number of days, dd, it will take katie to collect over 100 seashells.