Regina has two electronic files. One has a size of 3.15 MB and the other has a size of 4.89 MB.
What is the best estimate of the total size of the
two electronic files?

What is the prime factorization of 230

What is the volume of a cone with a height of 6 cm in the radius of 2 cm

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?