If 1/2x + 1/5y = 1/30 what is the value of 5x + 2y?
please i need this asap i’m so confused!!

4. find the geometric mean of 4 and 12. 24 8

What is the absolute value of the complex number -4-sqrt2i

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.