Jean needs to graph the function below y= 7x^2 + 8x - 6 how many time should the graph of this function intersect at the x-axis?

Determine whether the quadrilateral below is a parallelogram. justify/explain your answer (this means back it up! give specific information that supports your decision. writing just "yes" or "no" will result in no credit.)

Given a: b and b: c, find a: b: c. write the ratio in simplest form. a: b=6: 10 and b: c=21: 33

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.