Let S be the set of all sequence of two rolls of a dice. Let X be the sum of the number of dots on the two rolls. What are the possible values .x=5, E(x)= ?​

Піf x = y and y= z, which statement must be true? оа. -x = -2 b. x= z ос. —x = 2 od. 2= x

Y< 2x-3 y? mx+3 which value of m and which symbol result in the system of inequalities shown above having no solution? a) m=-2; > b) m=-1/2; < c) m=2; > d) m=2;

Identify the number as a regional or irrational. explain. 291.87