angel found out that sales tax in san antonio is 8.25 and sales tax in Toronto is 13% if he bought a $600 phone in toronto how much sales tax would he pay?

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)

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Carley bought a jacket that was discounted 10% off the original price. the expression below represents the discounted price in dollars, based on x, the original price of the jacket.