The center of a circle is at the origin on a coordinate grid. the vertex of a parabola that opens upward is at (0,9). if the circle intersects the parabola at the parabola's vertex, which statement must be true? a. the maximum number of solutions is one b. the maximum solutions is three c. the circle has a radius equal to 3 d. that circle as a radius less than 9

Adam plans to choose a video game from the section of the store where everything is 75% off. he writes the expression d-0.75d to find the sale price of the game if the original price is d dollars. gena correctly writes another expression, 0.25d, that will also find the sale price of the game if the original price is d dollars. use the drop down menus to explain each part of adams and rena's expression

What are “like terms”? why can we only add like terms?

Which of the following quartic functions has x = –1 and x = –2 as its only two real zeroes?