Nine tenth of class 5 pupils were in school today, 3 pupils were absent. How many children were in class today

Can someone me with these two circle theorem questions asap?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = x^2 + 7x + 10

Ok a point t on a segment with endpoints d(1, 4) and f(7, 1) partitions the segment in a 2: 1 ratio. find t. you must show all work to receive credit.