Select all of the following equation(s) that are quadratic in form. x4 – 6x2 – 27 = 03x4 = 2x2(x + 5)4 + 2x2 + 5 = 06(2x + 4)2 = (2x + 4) + 26x4 = -x2 + 58x4 + 2x2 – 4x = 0

Data from 2005 for various age groups show that for each $100 increase in the median weekly income for whites, the median weekly income of blacks increases by $105. also, for workers of ages 25 to 54 the median weekly income for whites was $676 and for blacks was $527. (a) let w represent the median weekly income for whites and b the median weekly income for blacks, and write the equation of the line that gives b as a linear function of w. b = (b) when the median weekly income for whites is $760, what does the equation in (a) predict for the median weekly income for blacks?

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?

Me d is also an option but i couldn't get it in the picture