Anyone know the answer to this? Valerie makes and sells bracelets in order to make the bracelets, first she has to buy the materials. the table shows the number of bracelets sold and her profit.

What are the coordinates of the hole in the graph of the function f(x) ? f(x)=x2−9x−3 enter your answer in the boxes.

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. how many hours after the truck's departure will the two meet?

Solve each equation using the quadratic formula. find the exact solutions. 6n^2 + 4n - 11