What is the area of the base of the cone below? 12ft v=90ft^3​

The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?

The reflexive property of congruence lets you say that ∠pqr ≅

What effect would doubling all the dimensions of a triangular pyramid have on the volume of the pyramid? explain your reasoning.