Which ordered pair is the solution to the system of equations? -3.2 + 4y= -20
lyra
y=x-4
O (4,8)
O (0, -5)
O (-2,-6)
O (-4, -8)

(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

If the simple annual interest rate on a loan is 6, what is the interest rate in percentage per month?

Many newspapers carry a certain puzzle in which the reader must unscramble letters to form words. how many ways can the letters of emdangl be arranged? identify the correct unscrambling, then determine the probability of getting that result by randomly selecting one arrangement of the given letters.