Answer:
22
Step-by-step explanation:
90*x = 70
x = 7/9
x = 78%
100-78 = 22
Answer:I think it’s 7/20
Step-by-step explanation:
Answer:
True.
Step-by-step explanation:
I don't know the explanation behind any of it, but a negative number, when multiples by another negative number, is always positive.
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