The side length of the base of a square pyramid is 30 centimeters. The height of pyramid is 45 centimeters. What is the volume of the pyramid in cubic centimeters?
A) 13,500 cm3
B) 40,500 cm3
C) 900 cm3
D) 1,350 cm3

Lin is writing an equation to model the proportional relationship between y, the total cost in dollars of downloading videos from a website, and x, the number of videos downloaded. she knows that the total cost to download 3 videos was $12. her work to find the equation is shown below. joylin’s work step 1 k= 3/12= 0.25 step 2 y= 0.25x where did joylin make her first error?

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

Rhombus adef is inscribed into a triangle abc so that they share angle a and the vertex e lies on the side bc . what is the length of the side of the rhombus if ab=c, and ac=b.