What is the next number in the following sequence, 1, 11, 21, 1211, 111221, 312211, 13112221

The ratio of two numbers is 5 to 4. the sum of the numbers is 99. what number is the greater of the two numbers?

What is f(3) for the quadratic function f(x)= 2x^2+ + x - 12

Parks is wearing several rubber bracelets one third of the bracelets are tie dye 1/6 are blue and 1/3 of the remainder are camouflage if park swears to camouflage bracelets how many bracelets does he have on