Otal personal income in the United States (in billions of dollars) for selected years from 1960 and projected to 2018 follows. Year 1960 1970 1980 1990 2000 2008 2018 Personal Income 411.5 838.8 2307.9 4878.6 8429.7 12,100.7 19,129.6 (a) These data can be modeled by an exponential function. Write the equation of this function, with x as the number of years past 1960. (Round your numerical values to four decimal places.)

Iam trying to solve a linear equation for the shoe size of someone 84" tall taking into consideration example 1 is 69" tall with a shoe size of 9 and example 2 is 72 inches tall with a shoe size of 11. i understand that the equation should be y=mx+b and that on the graph the answer is (3,2) but i just don't understand how to create the equation to solve for 84-inches and 60-inches tall questions. after two days, i need .

Simplify this expression.2(10) + 2(x – 4) a. 2x + 16 b. x + 12 c. 2x + 12 d. x + 16

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?