Is -92,-2/1,-53.24,-13/5,-40/8 all integers

Solve the system of equations. y= 2x y= x^2 - 15

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?

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu