Clairemont runs 10 km in 1 hour. how many kilometers does she run in half and hour? in 2 1/2 hours?

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Find the nonpermissible replacement for binthis expression.b2/5b +5

Asquare and an equilateral triangle have the same perimeter. each side the triangle is 4 inches longer than each side of the square. what is the perimeter of the square