Hello can you tell me what 21x2/7

Julia chooses a card at random from her set of cards. what is the probability that the card is labeled cat or hamster?

An equation of the line tangent to y=x^3+3x^2+2 at its point of inflection is

You are on a cycling trip around europe with friends. you check the weather forecast for the first week. these are the temperatures for the week. sun mon tues wed thurs fri sat 16°c 20°c 24°c 28°c 28°c 23°c 15°c what is the mean temperature forecast for the week?