Shana has three black pens, two red pens, and four blue pens in her book bag. Shana randomly chooses a pen from her book bag without looking. What is the probability that the pen is red and blue? A. 6/81
B. 4/9
C. 8/81
D. 3/9

if u do not know don't answer plz

Radii ok and nl are perpendicular to om because of the radius-tangent theorem. by definition of perpendicular, angles kom and lnm are right angles. this means that triangles kom and lnm are right triangles. angle lmn is common to both right triangles, so by the triangles kom and lnm are similar.

Solve the problem by making up an equation. a child is 12 years old, and his father is 32 years older. in how many years will the age of the father be 3 times the age of the child?

Write an equation in slope intercept form of the line passes through the given point and is parallel to the graph of the given equation (0,0); y=3/8 x+2