Each month Jessie's phone bill includes a $25 basic fee plus a charge of $.07 per minute for the number of minutes of long distance calls she makes. Write an equation that best describes the total amount of Jessie's monthly phone bill, t, in terms of m, the number of minutes long-distance calls she makes?​

Find the maximum value of p= 4x + 5y subject to the following constraints :

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.

The stem-and-leaf plot shows the heights in centimeters of teddy bear sunflowers grown in two different types of soil. soil a soil b 5 9 5 2 1 1 6 3 9 5 1 0 7 0 2 3 6 7 8 2 1 8 3 0 9 key: 9|6 means 69 key: 5|8 means 58 calculate the mean of each data set. calculate the mean absolute deviation (mad) of each data set. which set is more variable? how do you know?