Ryan buys lunch for 16.83. if tax is 8.4% how much money does ryan need total for lunch?

For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip

Ineed with this problem 21 show steps

The sides of a parallelogram are 24cm and 16cm. the distance between the 24cm sides is 8 cm. find the distance between the 16cm sides