C=(5/9)*(40-32) = (5/9)*8 = 40/9 = 4 4/9
So the right answer is C.
-7√5
rewrite 20 as 2^2·5
factor 4 out of 20. negative ∛4(5)-√5
rewrite 4 and 2^2 negative ∛2^2·5-√5
pull terms out from under the radical
-3(2√5)√5
multiply 2 by -3
-6√5-√5
subtract √5 from -6√5
-7√5
the answer is -7√5
Answer:
(0,5/2)
Step-by-step explanation:
(-4 , 8) ; (4 , -3)

NH: UD=0 ; AH: UD<0.
U is a Greek letter but I don't have a Greek keyboard. Both D shapes are subscript. NH stands for null hypothesis, AH is for alternative hypothesis. Just took the test.