Asystem of equations consisting of a linear equation and a quadratic equation has infinitely many solutions. is this statement true?
always
sometimes
never

i think the answer is sometimes . x=y and x^2-y^2=0 has infinitely solutions

Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?

7. if the value of x varies directly with the value of y, and x = 3 when y = 21. what is the valu y, and x = 3 when y = 21. what is the value of x when y = 105?

Television sizes are based on the length of the diagonal of the television's rectangular screen. so, for example, a 70-inch television is a television having a diagonal screen length of 70 inches. if a 70 inch television's diagonal forms a 29°angle with the base of the screen, what is the vertical height (1) of the screen to the nearest inch? 70 inhin