Maxine spent 15 hours doing her home work last week, this week she spent 18 hours doing homework she says that she spent 120% more time doing home work this week. is she correct?

Tom travels between the two mile markers shown and then finds his average speed in miles per hour. select the three equations that represent this situation.

The perimeter of △cde is 55 cm. a rhombus dmfn is inscribed in this triangle so that vertices m, f, and n lie on the sides cd , ce , and de respectively. find cd and de if cf=8 cm and ef=12 cm. the answer is not cd=20 and de=15. i have tried that one, it does not work.

What is the equation of the line that passes through (-3,-1) and has a slope of 2/5? put your answer in slope-intercept form