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I don’t understand this please help.

9

Step-by-step explanation:

1. You would make these to equations equal to each other because there are parellel(they have the same angel)

2. EQUAL these 2 equations together to find r.

3. SOLVING for r

7r - 5 = 6r + 4

r = 9

y = 0.77(x)

step-by-step explanation:

the jacket retains this value after 23% cut or retains 77% of original value. plug original 87 jacket price for x and the remaining value should be y.

. + λrh() e 1 1 2 4 4 4 4 4 3 4 4 4 4 4 + th−1(− s(x)2 dx ω + λrh−1() e 2 1 2 4 4

step-by-step explanation: