Annabel went to the beach for the day and rented a surfboard. the surfboard rental was $7.00 per hour, plus a rental fee of $12.00 which equation could annabel use to find the total cost (c) if renting a surfboard for x amount of hours?

Find the values of y: 3y^3(y^2+ 2/3y)=0

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.

The bolo cavern outside of vandalia is 421 ft below sea level. a little more than75 miles away. mt owens is 7295 feet above sea level. what is the difference in elevation between the bolo cavern and mt owens?