Word bank: element, homogeneous, heterogeneous, compound, mixture, pure substance draw on picture or type:
1:
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and so on to 13

Problem melissa is her dad build a walkway in their backyard. the walkway will be 54 feet long and 1.5 feet wide. the local hardware store sells tiles which are 1.5 by 1.5 feet and come in boxes of 12. how many boxes of tiles do they need?

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

In the diagram below,abc is congruent to dec what is the value of x