A biologist was observing a pack of wolves. There were 8 female wolves and the ratio of female wolves to male wolves was 4 : 54:5. A little later some more male wolves arrived and the ratio was now 1 : 21:2. How many more male wolves arrived?

Weak battery is considered to be a part of routine a. inspection b. wear and tear c. maintenance d. check

Which of the binomials below is a factor of this exression? 16x^2+40xy+25y^2 a.4x-5y b. 2x-5y c.4x+5y d.2x+5y

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