Answer:
C
Step-by-step explanation:
-4+(-5)=-9
-4=-9+5
-4=-4......correct
Answer:
P=14
Step-by-step explanation:
Since P depends on two variables x and y as the sum of the two, then;
P = 3+ 11
P = 14
Answer:
1/7
Step-by-step explanation:
2+2=4
a^2+b^2=c^2
15^2-4^2
=225-16
=209