Correct answers only !
what is the check digit (d) for the upc bar code shown below?
a. 2
b. 4
c. 6
d. 8

  D.  8

Step-by-step explanation:

No formula is given, so we use an on-line calculator for the job. The check digit is 8.

for this case we have that by definition, the surface area of a cylinder is given by:

where:

r: it is the radius of the cylinder

h: it is the height of the cylinder

we can also rewrite it as:

where:

la: it's the lateral area

ba: area of the base

option a

answer: chelsea has 55 brushes

step-by-step explanation:

5 x 11 = 55

5 + 55 = 60