I'm doing standard deviation. the question says choose 4 quiz scores to get the highest possible standard deviation. the highest score is 10 and 4 people got 10. so would i just choose 4 10's?

The function show two sisters' savings account and the rate at which they plan to deposit money

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?

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.