Na lanchonete da escola há um sanduíche muito pedido que custa r$ 6,00. os donos estão estudando aumentar o preço desse sanduíche. calcule quanto ele custará se o aumento for de:
a) 10%
b) 25%
c) 5%
d) 20%
*(não precisa dar a resposta, apenas mostre como fazer)*

[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible

Scott’s bank account showed a balance of $750 on sunday. during the next five days, he made one deposit of $140 and numerous withdrawals of $180 each. let x represent the number of withdrawals that scott made. write an inequality that can be used to find the maximum number of withdrawals that scott could have made and maintain a balance of at least $100. do not use a dollar sign ($) in your response.

Solve the formula ax+ by = c for x.