0-7+3=-4 because a negative and a positive make the negative go down
Yes is it biased. A percentage needs to be done or something rather than random picking.
You have to solve this integral

That integral is easy to solve:
525600[0.42 t^3/3 + 2.7t^2/2 - t] eavluated between the limits of the integral, i.e. 7 and 0.5
Answer:
Step-by-step explanation:
Because a and b are both opposite 45 degree angles, a=b. Using the Pythagorean Theorem we can say.
