Help, I know you could find the slope on any two points but the way they graphed it made it super confusing, is this supposed to trick me?

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

If x-1 and x+3 are the factors of x3+10x2+ax+b find a and b

The ivring berlin learning center would like a possible net profit of $650,000 on its new resource manual it sells to schools. the fixed costs for producing the manual are $780,000 and the variable cost per package is $19.85. if the estimated unit sales are 1,250,000 units, what selling price unit should the ivring berlin learning center try?