Harlan wrote the equation a =18(x^2 + 1 ) to find the area of a rectangle that has a length of x^2 + 1 and a width of 18

Can someone answer it, and plot it, for 20 points and brainliest answer? p. s. they're the same ! : )

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)

Labc is reflected across x = 1 and y = -3. what are the coordinates of the reflection image of a after both reflections?