How many different radio station names are possible that consist of 4 or 5 letters?

Find a number such that if you add 8 and divide the result by 4 you will get the same answer as if you subtracted 3 from the original number and divided by 2

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i