Answer:
a:
-4 + (-7)
b:
-4+7
Step-by-step explanation:
here sorry it took so long
Answer:
x^2+3x-18
Step-by-step explanation: hoped I helped
The last one
1. 3-p
2. 8 (divid sign) d +6
3. 11+9*4
4. 4 (divide sign) 2
5. X= 10+6(divide sign) 4
Answer:
If a and b are two positive rational numbers such that ab is not a perfect square of a rational number, then ab is an irrational number lying between a and b.
So an irrational number between 3 and 4 is=3×4=3×4=3×2=23
Answer: point, line, and plane.
Step-by-step explanation: