Ms. wong is redecorating her office. She has choices of 5 colours of carpet and 3 styles of furniture. How many possible ways can she choose a colour of carpet and style of furniture

Which expressions are equivalent to -6 + 3m

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Assume that the weights of quarters are normally distributed with a mean of 5.67 g and a standard deviation 0.070 g. a vending machine will only accept coins weighing between 5.48 g and 5.82 g. what percentage of legal quarters will be rejected? round your answer to two decimal places.