Answer:
Step-by-step explanation:
Answer:
-15
Step-by-step explanation:
(17+3)-(5×7)
=20-35
= -15
(Ans)
Answer:
z=1
Step-by-step explanation:
3x7z+1
21z+3
divided by 3
7z
divide by 7
z=1
Answer:
No,the ray AB and BA are not same because the ray AB denotes the ray(light) is coming from the direction through A while the ray BA denotes the ray is coming from the direction through B.
Answer:
what's in the parentheses you times it by 3