Verify Euler's formula for

(a) Tetrahedron

(b) Hexagonal prism

Witch represents the inverse of the function f(x)=1/4x-12

Which situation can be modeled by the inequality 5 + 10w ≥ 45? a. you start with $5 and save $10 a week until you have at least $45. b.you start with 5 baseball cards and purchase 10 cards every week until you have at most 45 cards. c.you start with 5 water bottles and purchases cases of 10 water bottles each until you have a total of 45 water bottles. d.you spend $5 plus $10 per week until you have less than $45.

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5