Can i get help with this. please leave an explanation

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 4x^2 - 19x- 5

Yahir designs bracelets. he uses between 9 and 15 red and yellow beads in the ratio of 2 red bead to 5 yellow beads. drag the beads into the container to meet these requirements

Oliver had $50 on the day before his birthday. after he recived some money for his birthday , he had $75. write and solve eqaution to find how much money oliver received for his birthday. x+50=75