Does this describe an observational study or an experiment? The temperature on randomly selected days throughout the year were measured Experiment Observational Study

What are the solutions of the system? solve by graphing. y = x^2 + 3x + 2 y = 2x + 2

Tabby sells clothing at a retail store, and she earns a commission of 6.25% on all items she sells. last week she sold a pair of jeans for $32.50, a skirt for $18.95, and 2 blouses for $14.95 each. what was tabby's total commission? a $4.15 b $5.08 c $81.35 d $348.60

Which of the following transformations will always produce a congruent figure?