The LQMS AVID class is making spirit buttons. They make 490 spirit buttons in 3 1/2 hours. Find the number of spirit buttons the LQMS AVID class makes per hour. A. 60 spirit buttons per hour
B. 100 spirit buttons per hour
C. 120 spirit buttons per hour
D. 140 spirit buttons per hour

Do graduates from uf tend to have a higher income than students at fsu, five years after graduation? a random sample of 100 graduates was taken from both schools. let muf be the population mean salary at uf and let mufsu be the population mean salary at fsu. how should we write the alternative hypothesis?

Tan198=asin164=? how to solve this? ?

Which equation can be solved to find x the measure of jk in the apex