Which of these shapes have rectangular cross sections when they are cut perpendicular to the base? Select three options. -rectangular prism
-triangular prism
-cylinder
-cone
-square pyramid
-triangular pyramid

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?

If f(x) =3x-2 and g(x) =2x+1 fins (f+ g) (x)

Write each of the following numerals in base 10. for base twelve, t and e represent the face values ten and eleven, respectively. 114 base 5 89t base 12