Find the total perimeter (sum of slides) of an equilateral triangle ( traingle with all sides equal) if each side measure 3 2/5, write your answer as a fraction or a mixed number

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?

What is the slope of the line (-7,2) (4,6)

If x varies directly as y, and x = 7.5 when y = 10, find x when y = 4