The diameter of a circle is 9 feet. using the formula c ≈ 3d, what is the approximate circumference of the circle?

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. find the probability that a worker selected at random makes between $450 and $500

Type the correct answer in each box. use numerals instead of words. if necessary, use / fir the fraction bar(s). the graph represents the piecewise function: h

Find the unit rate for: 75% high-fiber chimp food to 25% high -protein chimp food.