C 16. Sixty percent of the students in
Mrs. Armstrong's class returned
their field trip permission slips.
If Mrs. Armstrong collected 21
permission slips, how many students
are in the class?

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section

Aremote-controlled boat can travel at 4 feet per second in calm water. the boat traveled 48 feet with the current, and then it traveled 16 feet against the current in the same amount of time. how fast is the current?

Currently, the largest cruise ship has a tonnage of 225,282 gross tons (gt). which of the following is a reasonable estimate for the tonnage of this cruise ship? a. 2 × 10^5 gt b. 2 × 10^6 gt c. 2 × 10^-5 gt d. 2 × 10^-6 gt