What is the area of the shaded region between the two z-scores indicated in the diagram?
a.) 0.6844
b.) 0 6864
c.) 0.7995
d.) 0.1131
e.) 0.1151
z-scores are z=-1.21 and z=0.84

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

What are the domain and range of the function f(x)=2^x+1

Someone answer asap for ! the following statements are true about the coins calvin and sasha have collected. * calvin and sasha has the same amount of money. * calvin has only quarters. * sasha has dimes, nickels, and pennies * calvin has the same number of quarters as sasha has dimes. * sasha has $1.95 in coins that are not dimes. exactly how many quarters does calvin have?