*Please help* Kirishima had 20 rocks, Bakugou had 40x the number of Kirishimas rocks. Deku wanted to help but just kept mumbling so Kirishima and Bakugou had to figure it out themselves. How many rocks does Bakugou have?

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?

You have 138.72 in your saving account u take out 45.23 and 18.00 you deposit 75.85 into your account

Complete the solution of the equation. find the value of y when x equals -5. -4x - 8y = -52