The distance between salt lake city and arizona is 21cm. if each 7cm on the scale drawing equals 250 kilometers, how far apart are the salt lake city and arizona

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

Which expression is equivalent to 3^3 + 2^2?

Helll ! 1,400 tons of wheat of two different varieties was delivered to the silo. when processing one variety, there was 2% of waste and 3% during the processing of the second variety of wheat. after the processing, the amount of remaining wheat was 1,364 tons. how many tons of each variety of wheat was delivered to the silo?