3x+4=25 please this will help alot​

The parabola x = y² - 9 opens: a.)up b.)down c.) right d.)left

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?

During a wright loss challenge your friend goes from 125 pounds to 100 pounds.what was the percent weight loss