I saw my friend do this and i thought it would be fun
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The surface area of the triangular prism is .

The cost of using a service is $0.25 per min. what equation correctly represents the total cost c, in dollars, for d days of use?

Serena is making an experiment. for that, she needs 20 grams of a 52% solution of salt. she has two large bottles of salt water: one with 40% and the other with 70% of salt in them. how much of each must she use to make the solution she needs? i am in need of