Which equation has a graph that is a parabola with a vertex at (5, 3)? o y = (x – 5)2 + 3
O y = (x + 5)2 + 3
'O y = (x – 3)2 + 5
O y = (x + 3)2 + 5

If the speed of an electromagnetic wave is 100,000 cm/s and its wavelength is 100 cm, what is its frequency? a) 100,000 cycles per second (hz) b) 1 × 10-3 cycles per second (hz) c) 10,000,000 cycles per second (hz) d) 1,000 cycles per second (hz)

Find and simplify an expression for the area of five rows of x squares with side lengths of x centimeters.

Which of the following can be used to explain a statement in a geometric proof?