What is the row operation that belongs before step 4 in order to get that matrix? A) R1 +2R2 = R1 B) 2R2 - R1 = R1 C) R1 + (1/2)R2 = R1 D) (1/2)R2 - R1 = R1

Solve the following inequalities and show the solution on a number line. 2x+3< 3(4x+5)

The distance between two points is 6.5cm and scale of map is 1: 1000 what's the distance between the two points

Determine the required value of the missing probability to make the distribution a discrete probability distribution. x p(x) 3 0.23 4 ? 5 0.51 6 0.08 p(4) = nothing  (type an integer or a decimal.)