O matemático Euler desenvolveu a seguinte formula: F + V = A +2 que relaciona o n° de faces, arestas e vértices de um poliedro. Aplicando essa fórmula um poliedro que tem 10 faces e 20 arestas possui: *

Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?

Louis wants to carpet the rectangular floor of his basement. the basement has an area of 864 square feet. the width of the basement is 2/3 it's length. what is the length of louis's basement

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how