How many edges does this figure have?
It has _
edges

6

Step-by-step explanation:

An edge is a line segment between faces . As you can see, this is a Tetrahedron.

Tetrahedron has ;

Hope this helps ^-^

a. (14,375+570)(5.3) b. 158,417$

step-by-step explanation:

a. you are basically just setting up the equation. f= amount of debt hence 14,375. g= how much she is borrowing from her parents weekly hence 570 and t= the interest on her debt. creating the equation.

b.   14,375+570= 14,945

      14,945 x 5.3 = 79,208.5

      79,208.5 x 2(years) = 158,417(answer)