Francesca spent 45 minutes on the internet yesterday if this is 5/6 of the time she spent on the computer, how long did she spend on the computer but not on the internet?

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?

What is the value of x in the equation7x+2y=48 when y=3