No final de 2018, Sofia abraçou a campanha para presentear amigos e parentes com livros. Suas compras foram feitas em uma loja física e duas lojas on-line. Ela efetuou os pagamentos utilizando seu cartão de débito. Após a compra do último livro, calculou o saldo final de sua conta-corrente resolvendo a expressão: -225 - [ 45 × 3 + (-6) × 3 + 18 × 6 + 15 + (-2) × 6 + 27 × 4 + 12 + (-4) × 4]

the star ratings is just peoples rating on how well a question was answered.

not enough information

step-by-step explanation:

we cannot know this, because the other students could have handed out 10 flyers, or they could have handed out 100. one way, the mean would go up, and another way, the mean would go down.

saving = more money

step-by-step explanation:

if you have 100 bucks, and you want to buy a candy bar, even if you have one at home, if you choose not to buy it, you save.

~courtney

14 ft 7 inches

step-by-step explanation:

since each model inch corresponds to 25 real inches, 7 model inches will correspond to

7×25" = 175"

at 12" per foot, that is 14 feet, 7 inches.