Without writing the equation 21x² - 84x + 12y- 24y = -6 in the standard form, state whether the graph of this equation is a parabola, circle, ellipse, or hyperbola.
a. parabola
C. hyperbola
b. ellipse
d. circle

Angles r and s are complementary. the measure of angle r is 31 degrees. which equation can be used to find angle s?

Harry the hook has 7 1/3 pounds of cookie dough.she uses 3/5 of it to bake cookie. how much cookie dough does she use to make cookie?

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