PLEASE HELP For which of the following quadratic equations are the roots 2 and 5?
A. x^2+7x-10=0
B. x^2-11x-10=0
C. x^2-7x+10=0
D. x^2-3x-10=0

Select a graph that have an equation with a < 0

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

Aresearcher believes increased perceived control influence the well-being of residents at a nursing home. to test this , she allowed one group of residents to have control over their daily lies, (where to eat etc) . the other group of 5 residents had these deceisions made by staff. the resident's feelings of well-being were measured on a 10 point scale at the end of a one month trial period. is there a difference on well-being?