What is the critical value for a one-tailed hypothesis test in which a null hypothesis is tested at the 5% level of significance based on two samples, both sample sizes are 13

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)

Given the equation f(x)=a(b)x where the initial value is 40 and the growth rate is 20% what is f(4)

The pyramid below was dissected by a horizontal plane which shape describes the pyramid horizontal cross section