1×2+2×2^2+3×2^3++n.2^n=(n-1)×2^n+1+ 2
Using Mathematical induction please help

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

36 inches/second = yards/minute how many yards?

Dakota earned $7.50 in interest in account a and $18.75 in interest in account b after 15 months. if the simple interest rate is 4% for account a and 5% for account b, which account has the greater principal? explain. to make it a little easier, there is an image. good luck!