Answer:
15°F
Step-by-step explanation:
It is given that,
Today's high temperature is 72°F and yesterday's high temperature was 87°F. We need to find the change in high temperatures.
Change in temperatures = final temperature - initial temperature
= 87°F - 72°F
= 15°F
It means that the change in temperature is 15°F. Hence, the correct option is (b).
Answer:
Step-by-step explanation:
8(10) - 7(4)
8X10 - 7X4
80 - 28
52
Answer:
gfiytfitf
Step-by-step explanation:jhgljhbljkbltfiyf
Answer: Experimental study
Step-by-step explanation:
This is an experimental study because it involves determination of the effect of each treatment on separate individuals. It involves selecting the 81 individuals randomly to be treated with a particular treatment (either of the two treatment). In experimental study the researcher apply separate treatments on a different groups and measure its effect on each of the groups.
