Ken is 169 cm and Mike is n cm. Ken is 38 cm taller than his
younger brother Mike.
(2/3^2)^4
2.6+0.5(1 3/4)-3/2
2x $^{3}$ +6x $^{2}$ -5x+10
(1/2)^12
jennys mom says she has an hour before its bedtime . jenny spends 3/5 of the hour texting a friend and 3/8 of the remaining time b...
4x^2-5x-12=0
x^3-x^2
(1/2^6)^2
