Ella swims four times a week at her club's pool. she swims the same number of laps on monday, wednesday, and friday, and 15 laps on saturday. she swims a total of 51 laps each week. how many laps does she swim on monday?

Ithink i know it but i want to be sure so can you me out ?

Find the measure of angle y. round your answer to the nearest hundredth. ( type the numerical answer only) a right triangle is shown with one leg measuring 5 and another leg measuring 14. an angle across from the leg measuring 5 is marked y degrees. numerical answers expected!

Solve the inequaliy: (x^2+2)(x−2)^2(6−2x)> 0