Answer:
30 (I think you mistyped one of the answer choices)
Step-by-step explanation:
170+10=180
180÷6=30
I think that this an example of a paired t test. Since each student (subject) is given 2 treatments of the same material.
The answer is B because 674.30 divided by 306.5 equals 2.2 or $2.20
Answer:
it -1
Step-by-step explanation:
"She needs 1.5 cups of flour for 1 batch, but she wants to make 2.5 batches."
This means that she needs 7.5 cups of flour for 5 batches.
Hence, she needs 3.75 cups of flour for 2.5 batches.
