Sandy had 10 dollars in her collection. she gave 3 to her younger sister. her parents were so impressed that they quadrupled her remaining dolls. write a numerical expression with parentheses for the total number of dolls sandy has now.(do not simplify your expression)

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers

Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.

To solve the system of equations below, pedro isolated the variable y in the first equation and then substituted it into the second equation. what was the resulting equation? { 5y=10x {x^2+y^2=36