Ok so there is 4 questions pls plsss tysm 1. line (s) perpendicular to qr 2. line (s) parallel to qr 3. line (s) skew to qr 4. line (s) parallel to plane lmq

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

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

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?