If the cost, c, for manufacturing x units of a certain product is given by c=x^2-20x+30, find the number units manufactured at a cost of $10,955

Listed in the table is the percentage of students who chose each kind of juice at lunchtime. use the table to determine the measure of the central angle you would draw to represent orange juice in a circle graph

Find the slope of the line passing through a pair of points

Anyone know these questions? i need ,.