A store sells AA batteries. There are 10 batteries in a package. How many batteries are in 10 packages?

100

Step-by-step explanation:

10 batteries per package, 10 packages.

10 x 10 = 100

6mm^3 or .6cm^3

      216

      /   \

  36     6

  /   \     /

6     6   6

factor trees are nice.

x = 2

step-by-step explanation:

if sr parallel to ba then the sides bc and ac are in proportion, that is

= ← substitute values

= ( cross- multiply )

27x = 6(4x + 1)

27x = 24x + 6 ( subtract 24x from both sides )

3x = 6 ( divide both sides by 3 )

x = 2