Answer: a-b+c+d =4
Step-by-step explanation:
The given system of equation is

from this we have the following matrices

the given matrix A =
On comparing Matrix
with Matrix A

we have the following values
a=2 ,b=4,c=8,d=-2
Thus a-b+c+d =2-4+8+(-2)=4
22300 because the tenths place is below five
Answer:
141 but i am prolly wrong
Step-by-step explanation:
Mean 87.5
Median 88
Range 14
and Mode All values appeared just once
Answer:
If it's Jose, Brad, and Ed it's an acute triangle, it has no 90 degree angle, if it's Jose, James, and Malcolm it is a right triangle because the line to Jose and Malcolm is straight I think not sure how to explain
Step-by-step explanation: