A manila rope has four times the breaking strength of another manila rope, does it have four times the diameter?

Use the distributive law to multiply. 3(4x + 5y + 6)

If 1/√5+1/√5+1=p+q√r , find the values of p, q and r

This is a map of the mars exploration rover opportunity predicted landing site on mars. the scale is 1cm : 9.4km. what are the approximate measures of the actual length and width of the ellipse? i mostly need to know how to set it up : )