Kendra spent 1/3 of her allowance on a book and snack. If she had 4 dollars remaining after purchasing a book and snack, what was the total amount of her allowance.

Rockwell hardness of pins of a certain type is known to have a mean value of 50 and a standard deviation of 1.1. (round your answers to four decimal places.) (a) if the distribution is normal, what is the probability that the sample mean hardness for a random sample of 8 pins is at least 51?

Multiply. write your answer in simplest form. 3/8 x 5/7

Complete the synthetic division problem below.what is the quotient in polynomial form 2/16 -16