Which product is greater, less than, or equal to 1

a. 2/5x2
b. 4/3x6
c.10/6x6/10
d. 2/9x5/7
e.8/7x1/2
f. 8x4/5

Find the sum of 4x^{2} -4+6 and -7^{2} +3x+1

(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

Solve 2^x=32 and rewrite this equation in a logarithmic form