18 19 s to their spring ent tickets sold for $4.50 each. if 15. the juni houston isd the junior class at summerfield high school sold a total of 375 tickets to their son festival. the adult tickets sold for $7.50 each and the student tickets sold for $450 the junior class collected $2,212.50 in the ticket sales, how many student tickets did th class sell? record your answer and fill in the bubbles on your answer document.
The diameter of the moon is about 3500 km. approximate the surface area of the moon using the formula for the surface area of a sphere, s = 4? r^2. write your answer in scientific notation.