Solve for unknown quantity. 1 = 4
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K 20

Answers :
A. 4
B. 5
C. 6
D. 17

Pls help me

How do you write something in scientific notation?

Find two numbers if their sum is 91 and the ratio is 6: 7?

1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.