In college, you earn credits for courses taken. for each semester, tuition at a local college is $2400, plus $184 per credit. you have financial aid that will cover $5,160 for the semester. how many credits can you take without spending any of our own money?

Find the quotient. 50a2 – 98b2 -5a +7b

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?

Polygon hh is a scaled copy of polygon gg using a scale factor of 1/4. polygon h's area is what fraction of polygon g's area?