On a map drawn to scale, 2cm represents 870km. how long would a line segment be that represents 130 kilometres?

Determine whether the quadrilateral below is a parallelogram. justify/explain your answer (this means back it up! give specific information that supports your decision. writing just "yes" or "no" will result in no credit.)

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

Estimate the area under the curve f(x) = 16 - x^2 from x = 0 to x = 3 by using three inscribed (under the curve) rectangles. answer to the nearest integer.