What is another way to write 12.5/100 as a fraction

In simplified exponential notation, the expression a^2•a^-3•a 1/a 0

Consider a graph for the equation y= -3x+4. what is the y intercept? a) 4 b) -4 c) 3 d) -3

The diameter of a ball is 8 in. what is the volume of the ball? use 3.14 for pi. enter your answer as a decimal in the box. round only your final answer to the nearest hundredth.