If jaalan takes the number of marbles he has and multiplies it by 5 and then subtracts 10, he gets 275. write an equation and solve to see how may marbles jaalan has.

(a) (8%) compute the probability of an even integer among the 100 integers 1! , 2! , 3! , until 100! (here n! is n factorial or n*(n-1)*(n-2) *… 1) (b) (16%) compute the probability of an even integer among the 100 integers: 1, 1+2, 1+2+3, 1+2+3+4, …., 1+2+3+… + 99, and 1+2+3+… + 100

How many zeros does the function f(x)=4x3-x2+1 have

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?