There are 12 colored blocks of equal size in a bag . 4 of these blocks are blue , 5 are green , and 3 are red . if a block is removed from the bag at random , what is the probability that it will be blue ? a. 1/2 b. 5/12c. 1/3 d. 1/4

What is the definition of exponential decay?

Use sigma notation to represent the following series for 9 terms.

Aaron invested a total of $4,100, some in an account earning 8% simple interest, and the rest in an account earning 5% simple interest. how much did he invest in each account if after one year he earned $211 in interest? select one: a. $200 at 8%, $3,900 at 5% b. $3,200 at 8%, $900 at 5% c. $900 at 8%, $3,200 at 5% d. $3,900 at 8%, $200 at 5%