How do I delete my account?

Tina practice piano for 15 hours last month and 45 hours this month use multiplication to write a statement comparing me i was tina practice during the two months use addition to write a statement comparing the hours tina practice during the two months

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5

Petes dog weighed 30 pounds it then lost 16% of it's weight how much did pete lose