1. Billy-Bob has a piggy-bank filled with nickels and quarters totaling $11.90.
The piggy bank contains 74 coins in all. How many of each coin does he
have?
(How do I write the two equations for this?)

The expression 42 plus 57 shows how much money nate spent at a store .which expression also shows how much money nate spend

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.

The number of nails of a given length is normally distributed with a mean length of 5.00 in, and a standard deviation of 0.03 in. find the number of nails in a bag of 120 that are less than 4.94 in. long.