Answer (b): There is a strong positive correlation between time studied and test scores.
Reason:
(1) it is upward, so it is positive.
(2) They are closely packed, so there is a strong correlation.
Answer:
Step-by-step explanation:
#1
- Yes, it is function
- x-values are unique and each has one corresponding y-value
#2
- No, it is not a function
- x-values are repeated with different y-value: (13, 4) and (13, -4)
#3
- Yes, it is a function
- If you put a vertical line, there will always be one intersection with the graph
#4
- Yes, it is a function
- This will produce a parabola which is a graph of a normal function with unique x-values and corresponding y-values
Temperature at nightfall = -5 + 78 - 32 = 41 degree Farenheit
Answer:
125%
Step-by-step explanation:
they sold the shirtsto the store at 8 $. they now sell for 10, so 10/8 is 125%
Answer:
5.25 cups of flour
Step-by-step explanation:
4 containers - 21 cups of flour
1 container - 21 cups of flour ÷ 4 = 5.25 cups of flour
