It is given that two fair tetrahedron dice, the numbers on dice are 61,62,63,64, and a fair 6-sided die, numbers 1,2,3,4,5,6 on it are rolled simultaneously. What is the probability that score on 6-sided die is prime and the sum of scores of two tetrahedron dices are even?

49xy +34y - 72z. determine the degree of the polynomial

The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old

You can ride your bike around your block 6 times and the whole neighborhood 5 times in 16 minutes. you can ride your bike around your block 3 times and the whole neighborhood 10 times in 23 minutes. how long does it take you to ride around the neighborhood?