Train a arrives at central station on the hour and every 12 minutes. train b arrives on the hour and every 15 minutes. when do both trains arrive at the
same time?

a) on the hour and 30 minutes past the hour
b) on the hour and 15 minutes to the hour
c) on the hour and 27 minutes past the hour
d) on the hour

explain why you chose the answer and how you achieved it

if x decreases by 4 then y increases by 10

step-by-step explanation:

a net is a diagram that shows a “flattened” view of a solid. in a net, each face and base is shown with all of its dimensions. a net can also serve as a pattern to build a three-dimensional solid.

a pyramid is a three-dimensional object with a base that is a polygon and triangular faces that meet at one vertex.

" the net of a triangular pyramid consists of four triangles. the base here we are given of the pyramid is a equilateral   triangle, and the lateral faces are also triangles "