(3х2 + 6х+7) – (6х2 – 5х – 7) =
оа. 9х2 + 11х + 14
ов. 9х2 +х+0
ос. -3х2 +х+ 0
od. -3х2 + 11x+ 14

Dylan and dusty plan to take weekly surfing lessons together. if the 2-hour lessons are $20 per person and they plan to spend $100 each on new surfboards, what is the maximum number of lessons the two can take if the total amount spent for lessons and surfboards is at most $480?

The weights of broilers (commercially raised chickens) are approximately normally distributed with mean 1387 grams and standard deviation 161 grams. what is the probability that a randomly selected broiler weighs more than 1,425 grams?

What is the point slope form of a line with slope -5 that contains point (2,-1)