Emma makes bronze jewellery. Bronze is a mixture of copper and tin in a ratio of 22 : 3. Emma has 88 kilograms of bronze.
What mass of tin does Emma have in her bronze mixture?

Valentina is subtracting from . she finds the lcd to be 15y2. what is valentina's next step?

The weekly revenue for a company is r = 3p^2 + 60p + 1060, where p is the price of the company's product. what price will result in a revenue of $1200.

An office supply company conducted a survey before marketing a new paper shredder designed for home use. in the survey, 80 % of the people who tried the shredder were satisfied with it. because of this high satisfaction rate, the company decided to market the new shredder. assume that 80 % of all people are satisfied with this shredder. during a certain month, 100 customers bought this shredder. find the probability that of these 100 customers, the number who are satisfied is 69 or fewer.