Richard and Teo have a combined age of 41. Richard is 11 years older than twice Teo's age. How old are Richard and Teo? Richard is years old, and Teo is years old.
(Type whole numbers.)

Name each raycalculation tip: in ray "ab", a is the endpoint of the ray.

What is the probability of throwing several dice with sum equal to 6 (six)? show the ways of possibilities for sum 6 (as the numerator) and the ways of throwing n dices for n = 1, 2, 3, 4 or 5 as denominator for all the questions to earn full credits. (a)throw one die, (b) throw two dice, (c) throw three dice (d) throw 4 dice, (e) throw 5 dice

If the perimeter of the square equals the perimeter of the regular pentagon. each side of a pentagon is 16cm long. how long is each side of the square?