Question

I took notes and went back through the lesson but I can't get it. Help, please!!!

Answer 1

Answer:

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Step-by-step explanation:

▪Picture 1. x = 28

$\frac{x}{42} = \frac{10 + x}{57} \\ 42(10 + x) = 57x \\ 420 + 42x = 57x \\ \frac{ \: \: \: \: \: \: \: \: \: \: \: - 42x = - 42x}{ \frac{420}{15} = \frac{15x}{15} } \\ \\ 28 = x$

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▪Picture 2. I don't know what in trying to solve.

▪Picture 3.

•ABC = 50

•DEF = 95

•GHI = 65

•JKL = 55

▪Picture 4. I dont know how to do that