You buy a new cell phone for $79.99. the sales tax on the phone is 7%. what is the total cost for the cell phone?

What is the equation of a vertical line passing through the point (−5, −1)? y = −5 y = −1 x = −5 x = −1

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)

What value of x is in the solution set of 4x - 12 s 16 + 8x? -10 -9 -8 -7