. A teacher practices the different teaching methods on different groups in her class to see which yields the best results. In this example, a treatment is: a) Teacher
b) Class
c) Different teaching methods
d) Different groups

What is the value of f(x) = 2.2 for f(-2)?

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

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.