João está projetando um novo brinquedo para o parque de diversões da cidade, conforme a imagem abaixo. as correntes das cadeiras medem 4 metros e atingem um ângulo de 23° quando o brinquedo está na velocidade máxima. se joão quer que as cadeiras fiquem a 3,5 metros do chão quando o brinquedo atingir a velocidade máxima, qual deve ser a altura da coluna principal do brinquedo?

42

step-by-step explanation:

total amount of money that he should pay if he has not used his duty free exemption is $98

step-by-step explanation:

given a united states citizen returning to the states declares the following items at the customs office: 3 shirts at $8.50 each 2 dresses at $27.50 each 1 pair of gold cuff links at $17.50 per pair. we have to find how much he pay

cost of 3 shirts if one cost at $8.50 is

cost of 2 dresses if one cost at $27.50 is  

cost of 1 pair of gold cuff at $17.50

so, total amount of money that he should pay if he has not used his duty free exemption is   $25.5+$55+$17.50=$98

a orange at the grocery store idk what other product that could be

b and c are the correct answers.

good luck on the quiz! : d