You have a total of 18 math and science problems for homework. you have six more math problems then science problems. how many problems do you have in each subject? write two equations and graph them to find the solution to this problem.

Aresearch study is done to find the average age of all u.s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample

The focus of a parabola is (-4,-5) and its directrix is y=-1 find the equation

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.