Keiko says that when n is any positive integer, 1 nalways equals 1 and (21) nalways equals 21. Is Keiko correct? Justify your answer. NEED HELP ASAP

Determine whether the samples are independent or dependent. upper a data set includes the morning and evening temperature for the lasta data set includes the morning and evening temperature for the last 90 days.90 days.

Listed in the table is the percentage of students who chose each kind of juice at lunchtime. use the table to determine the measure of the central angle you would draw to represent orange juice in a circle graph

Find dy/dx using implicit differentiation ln(20+e^xy)=y