Answer:it should be b!
Step-by-step explanation:
I’m pretty sure I had the question before
When integers have the same sign and you add them together the sum will have the same sign
7 + 5 = 13
-7 + (-5) = -13
Step-by-step explanation:
Using pythagoras theorem
9^2 - 6^2 = x^2
Therefore X^2 = 81 - 36
= 45
Thus X = √45
X = 6.71
Answer:
42sq
Step-by-step explanation:
5:7
30 sq: x sq
30/5=6 sq for 1 of the ratio
6*7=42 sq for 7 of the ratio