Mary ran the 5 kilometre race in 45 minutes. melanie ran the 2 kilometre race in 17 minutes. which runner ran the faster race? what was that rate per hour

Can someone check if i did this correct. it’s number 4 if you’re wondering.

Acampus club held a bake sale as a fund raiser, selling coffee, muffins, and bacon and eggs sandwiches. the club members charged $1 for a cup of coffee, 3$ for a muffin , and $4 for a back. and egg sandwich. they sold a total of 55 items , easing $119. of the club members sold 5 more muffins than cups of coffee, how many bacon and egg sandwiches he’s did they sell

The function f(x)= x5+ ( x + 3)2 is used to create a table. if x = -1 then what is f(x)?