Which is an example of a quadratic function whose graph opens downward and has its vertex at (0, 1)?

The system of equations graphed below has how many solutions? y = 2x + 2

Solve the system of equations. y= 2x y= x^2 - 15

Brent needs to paint a logo made using two right triangles. the dimensions of the logo are shown below. what is the difference between the area of the large triangle and the area of the small triangle? (1 point) select one: a. 4.5 cm2 b. 8.5 cm2 c. 16.5 cm2 d. 33.0 cm2