Wang yong owes the bank \$8500to repay the debt, he paid a fixed amount back to the bank each month. after 12 months, his remaining debt was \$6460 how much did wang yong pay each month? how long did it take wang yong to pay back his entire debt?

What is the volume of the sphere shown below with a radius of 3?

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?

Plz hurry evaluate the expression a+b where a=8 and b=19