Help please ...this is i dunno what

Iwill give you ! what is the measure of ∠v ?

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 : )

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss