What’s the volume of a cylinder that has a radius of 7 and a height of 16

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

Aword processing program requires a 7- digit registration code made up of the digits 1,2,4,5,6,7 and 9 each number has to be used and no number can be used mor than once how many codes are possible

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