Drag each label to the correct location on the chart. Sort the items based on whether they are simple machines or compound machines.
sewing machine
pair of tongs
fishing rod and reel
seesaw
wheelbarrow

Janelle made a hypothesis bout the uneven temperatures inside her house during winter. she believes that 50% of the ducts are blocked and she plans to investigate. if she wants to prove her hypothesis using scientific processes what should she do next?

What are two different ways you could find the value of a? explain these methods.

What is the freezing point of radiator fluid that is 50% antifreeze by mass? kf for water is 1.86 ∘c/m.