while in Tokyo, Callie spent 547,000 Japanese yen for a strand of pearls. The cost of the pearls was equivalent to $5,000 in U. S. currency. At the time of Callie's purchase, how many yen were equivalent to $20 in U. S. currency?

The variable in a relation who’s value depends on the value of the independent variable is called what?

Find the volume of the described solid.the solid lies between planes perpendicular to the x-axis at x = 0 and x=7. the cross sectionsperpendicular to the x-axis between these planes are squares whose bases run from the parabolay=-31x to the parabola y = 30/x.a) 441b) 147c) 864d) 882

Aflower has 26 chromosomes. to create a new flower,how many would a sperm cell have what is called?