What is the exact area of a circle with a diameter of 44ft?
a 44xpi
b 88xpi
c 484xpi
d 1936xpi
19 points for this one i will and rate 5 star!

Which choice represents the sample space ,s for this event

Jack did 3/5 of all problems on his weekend homework before sunday. on sunday he solved 1/3 of what was left and the last 4 problems. how many problems were assigned for the weekend?

Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.