Rita and tina make $11 an hour rita worked r hours and tina worked t hours

Can some one explain this i got sent this. is this a threat i’m scared

Find cot x if sin x cot x csc x = √2

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