A 50 inch pendulum swings at an angle of 16 degrees. What is the length of the arc to the nearest hundredth of an inch through which the tip of the pendulum swings?

International calls require the use of a country code. many country codes a 3-digit numbers. country codes do not begin with a 0 or 1. there are no restrictions on the second and third digits. how many different 3-digit country codes are possible?

The table below shows the height of a ball  x  seconds after being kicked.  what values, rounded to the nearest whole number, complete the quadratic regression equation that models the data? f(x)  =  x2  +  x  +  0based on the regression equation and rounded to the nearest whole number, what is the estimated height after 0.25 seconds?   feet

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?