Make a tree diagram for two coins that are tossed. find the theoretical probability that at least one coin is heads. express the probability as a decimal
a. 0.5
b. 0.75
c. 0.8 there is no diagram present

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?

Simplify the expression 10/11(22z) + (a+5) -1

Una caja de galletas contiene 16 paquetes y cada una de estas tiene 12 galletas y se quieren repartir entre 6 niños ¿de cuantas galletas le toca a cada niño?