The answer is A. 2, -2
Hope I helped!
Let me know if you need anything else!
~ Zoe
The answer is B., valid because people were chosen randomly
This would make it a valid survey
Hope this helps!
;3
Answer:
45
Step-by-step explanation:
f(x)=2^6x-19
f(1)=2^(6(1))-19=2^(6)-19=2^6-19=64-19=45
Answer:
the greatest common factor of the two numbers is 1
Step-by-step explanation:
Answer:
Step-by-step explanation:
hello :
sin(x+y)= sinxcosy+cosxsiny...(*)
sin(x-y)= sinxcosy-cosxsiny....(**)
add (*) and(**) : sin(x+y)+sin(x-y)= 2sinxcosy
1/2(sin(x+y)+sin(x-y)) = sinxcosy......true
