Three times the lager of two numbers is equal to four times the smaller. the sum if the numbers is 21. find the number

What properties allow transformation to be used as a problem solving tool

How do businesses a country's economy? a. by investing in goods and services b. by increasing the unemployment rate c. by making profits

What is the expression in factored form? -20x^2 - 12x a. 4x(5x+3) b. -4x(5x-3) c. -4(5x+3) d. -4x(5x+3)