Mona invests $1000 at 7% yearly interest. how much does she have to invest at 4% so that the total yearly interest from the two investments exceeds $138?

The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.

What is the total surface area of this square pyramid?

Which expression is rational? 6. , square root two, square root 14, square root 49