Find the product. simplify your answer. a/a^2-16 × a+4/a^2

Step-by-step explanation:

Factor the denominator of the first fraction

a² - 16 ← is a difference of squares and factors as

a² - 16 = (a - 4)(a + 4), thus fraction becomes

×

Cancel the factor (a + 4) on numerator/denominator and the a and a², leaving

The volume of the block is cubic cm. The number of cubic wooden blocks with a side length of 1/8 cm that can be cut from the rectangular block is 15.

Step-by-step explanation:

The volume of a rectangular prism is given by :-

Given: A solid wooden block in the shape of a rectangular prism has a length,width and height of 3/8 cm, 1/8 cm, and 5/8 cm, respectively.

Now, the volume of a wooden block will be :-

The volume of cubic block with side length of 1/8 cm is given by :-

Now, the number of cubic wooden blocks with a side length of 1/8 cm that can be cut from the rectangular block  is given by :-