The independent variable is associated mainly with? a. control and experimental groupsb. the treatment that the researcher controls directly c. the result of experiment d. the hypothesis

Sarah and michelle work at a tech company that designs exercise apps. sarah tells michelle she has heard that james, their supervisor, interviewed with a competitor and may be leaving the company, which would open up a management position. what kind of power is sarah exerting?

When an object is heated it contracts. a. true b. false

Amira pulls a 3 pound wagon 4 feet. how much work has she done?