Ineed answer this. question 4.05 × 12

This is pure multiplication.

4.05 x 12 = 48.6

You can prove this by getting 5% of 12, and adding it to 12 x 4.

4.05 x 12 = 48.6

Explanation,

Simply Multiply 4.05 x 12 and you will get 48.6. If you would like to check your work divide, 48.6/4.05 and you will get 12.

Hope this helps :-)

answer

d. 10

explanation

the distance from point y to wx is the height of the triangle.

using pythagoras theorem,

group similar terms to get,

this implies that,

take positive square root of both sides to get,

this implies that,

the answer is a if my teacher taught me correct