Answer:
96
Step-by-step explanation:
8x(5+7)
Parentheses first
8* (12)
Then multiply
96
0.7777777778
there you go your welcome
Answer:
3/500
Step-by-step explanation:
42/7000 simplified is 3/500 or in decimal form it's 0.006
The area of a triangle is the amount of space on the triangle
The expression that represents the area of the triangle is 
The coordinates of the triangle are given as:



The area (A) of a triangle from its coordinates or vertices are:

Substitute values for x's and y's

Hence, the expression that represents the area of the triangle is 
Read more about areas of triangles at:
brainly.com/question/9664477