Ametallurgist needs to make 21 mg of an alloy containing 85% nickel. she is going to melt that 65% nickel with pure nickel. how much of each should she use?

If x = ∛200, which of the following inequalities is true? * 2 < x < 4 3 < x < 5 6 < x < 6.5 4.5 < x < 5.5 5 < x < 6

Which of the binomials below is a factor of this trinominal? x^2-13+30

You are remodeling your kitchen. you’ve contacted two tiling companies who gladly told you how long it took their workers to tile of a similar size jim completed half the floor in 8 hours. pete completed half of the other floor in 7 hours. if pete can lay 20 more tiles per hour than jim, at what rate can jim lay tiles