Answer:5a-30=45
Step-by-step explanation:
So something times 5 minus 30 will give you 45
|2x + y - 3z|
Plug in the values
|-4 + 10 - 9|
= |-3|
= 3
Answer:
irrational
The square root of 2 is irrational.
Step-by-step explanation:
1)
b: 3.75 since it is half of the segment that measures 7.5, this is proven because the line in the middle is a bisector of the top and bottom line indication that both half measure the same; 3.75
2) 15 not sure why