Lisa drank 4/5 liter of water Monday before going jogging. She drank 2/3

liter of water after her jog. How much water did Lisa drink altogether?

What is the rate of change of a line that passes through (2,-5) and (6,-2)?

Which of the following vectors are orthogonal to (2,1)? check all that apply

The amount cami raised during last year’s charity walk, $45.50, is 7/10 of the amount she raised this year. which equation represents n, the number of dollars she raised this year?