Which postulate guarentees that two triangles are congruent? I will give brainliest to BEST answer! fake answers will be reported.
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Simplify the expression. -2/5(10+15m-20n)

What is r i 4.5+10r=-6.5 with work pls

As a salesperson you get $50/day and $3.60/each sales you make.if you want to make $60 in one day, how many sales would you need need to make ? a 3b 4c 5d 6 show work.