What is 39 x (15÷3) - 16 using pemdas

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

Asystem of linear equations contains two equations with the same slope. select all of the correct statements. i a. the system may have two solutions. - b. the system may have infinitely many solutions. c. the system may have one solution. o d. the system may have no solution. submit

Simplify the rational expression. state any restrictions on the variable. t^2-4t-12 / t-8 the / is a fraction sign.