For an isosceles right angled triangle having each of equal sides a, find the perimeter.

How do i do this activity, is appreciated

What is the solution set of the quadratic inequality x^2-5< or equal to 0

The number of calories you burn depends on your weight. a 110-pound person burns 163 calories during 30 minutes of tennis. find the number of calories that a 190-pound person would burn during the same activity, assuming they burn calories at the same rate.