Which is the solution set of the inequality -3x-7< 20?

Can someone pls ! pls answer all. no explanation needed..

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

What is the radical expression that is equivalent to the expression 27 1 over 5?