At the playground, 60% of the bike rack was filled. this is 30 bikes. choose the expressions that complete each step involved in setting up and solving the proportion that represents the situation.

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)

Find the greatest common factor of -30x 4 yz 3 and 75x 4 z 2.

When you are making a circle graph by hand, how do you convert a number for a part into its corresponding angle measure in the circle graph? when you are making a circle graph by hand, what should you do if one of your angle measures is greater than 180°?