Use Cramer's Rule to solve the system of equations:
Look at the image
Dₓ=
Dᵧ=
D=

Geometry answer picture question pls . reason and statements

Acollection of coins has value of 64 cents. there are two more nickels than dimes and three times as many pennies as dimes in this collection. how many of each kind of coin are in the collection?

Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 360, a standard deviation of 4, and a margin of error of 2.5%