The temperature is -3 f at 7: 00 am during the next 4 hours the temperature increases 21 f. what is the temperature at 11: 00 am?

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

The table shows the webster family’s monthly expenses for the first three months of the year. they are $2,687.44, $2,613.09, and $2,808.64. what is the average monthly expenditure for all expenses?

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.