Go do i solve this problem (42+18−54)×√100÷(9√2−11×6)×(36−34×1 √4)

Can someone check my answer? you

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?

Atriangle has a side lengths of 18cm, 80 cm and 81cm. classify it as acute obtuse or right?