Can someone PLEASE HELP ME ON NUMBER 35 PLEASE ITS DUE IN A COUPLE OF MIN

Haley buys 9 pounds of apples for $3. how many pounds of apples can she buy for $1?

Student price tickets to a movie are $1 and non student tickets are $2. 350 tickets are sold and the total amount made is $450. how many non student tickets were sold ? a) 100 b) 150 c) 200 d)250

If a is a nonzero real number then the reciprocal of a is