Simplify the expression 53 + 3(5 − 3). 137 131 27 21

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 sec theta = 5/3 and the terminal point determined by theta is in quadrant 4, then

Find the solution of this system of equation -7x+y=-20 9x-3y=36