A regular pentagon-based pyramid has 5
faces which are equilateral triangles. The
perimeter of its net is 70cm.
What is the perimeter of the base of
the pyramid?

The heaviest 16% of all men in weight weigh more than how many pounds ?

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

What is the x-intercept and y-intercept of the equation 2x+1. 2o