If the area of an equilateral triangle is 9 times the square root of 3 sq ft, how long is a side

Using two or more complete sentences, describe how you can find a vector parallel to b=-2,3

If 10 men take 18 days to mow 60 acres of grass, how long will 15 men take to mow 80 acres?

Thee blue triangle has rotated from quadrant i to quadrant iii about the origin. describe the effects of the rotation on the coordinates of the blue triangle.