What is the difference bewteen a number and thirteen is less than twice the number

The measures of the legs of a right triangle are 15m and 20m . what is the length of the hypotenuse

Solve the system of equations using the linear combination method. {4x−3y=127x−3y=3 enter your answers in the boxes.

Paul can type 60 words per minute and jennifer can type 80 words per minutes.how does paul's typing speed compare to jennifer's