How do i solve literal equations for the indicated variable
specifically solve a=2pir^2+2pirh for the variable pi

What are the solutions for the following system? -2x^2+y=-5 y=-3x^2+5

Determine if the sequence is arithmetic or geometric.  then identify the next term in the sequence.    0.2, 1, 5, 25, . . group of answer choices arithmetic; 75 geometric; 75 arithmetic; 125 geometric; 125

Assume that adults have iq scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. find the probability that a randomly selected adult has an iq less than 132. the probability that a randomly selected adult has an iq less than 132 is?