6. irrational because nothing times itself is 127.
7. a. 29 is the width plus two things that will equal 105 which would be two 52.2 lengths
b. 29, 52.2, 52.2 or 29, 29 69
8. a. 402 - 237(x/15)
b. 11
c. 12
9. no because it does not reach 90 when you add them together
10. rational because the decimal terminates
Answer: (1, -2) and (3, 0)
Step-by-step explanation: Trust me, I graphed it and these are the point where the lines intersect.
Answer:
square
Step-by-step explanation:
when multiplied by itself the number is squared
Answer:
- 
Step-by-step explanation:
Rationalise the denominator by multiplying the numerator/ denominator by the conjugate of the denominator
the conjugate of
+ 5 is
- 5, hence
12 / (
+ 5) × (
- 5 ) / (
- 5)
= (12
- 60 ) / - 18
=
- 