Plz only answer if you know you are correct

Segment xz is bisected by point y. if xy = 12x, and the measure of xz = 18x – 6, solve for x

The swimming pool is open when the high temperature is higher than 20∘c. lainey tried to swim on monday and thursday (which was 3 days later). the pool was open on monday, but it was closed on thursday. the high temperature was 30∘c on monday, but decreased at a constant rate in the next 3 days. write an inequality to determine the rate of temperature decrease in degrees celsius per day, d, from monday to thursday.

Need same math paper but the back now i hope your able to read it cleary i need with hw