Answer:
-41
Step-by-step explanation:
if you plug -2 everywhere you see an x and 1 everywhere you see a y, and then simplify you get -41
An observation study is where nothing changes and you record what is seen. An experimental study you have a control group and a testable group.
The answer would be: .C. The groups in an experiment are chosen at random, but not in an observational study.
Answer: x = -7
Step-by-step explanation: use the slope formula and slope intercept form y = mx + b to find the equation
3 x 2 = 6 cups of concentrate
3.5 x 3 = 10.5 cups of water
Bob can make 6 cups of orange juice.