Step-by-step explanation:
<DBA=180 since it is a straight line
<HBA=73
mHG=73
1/3 of 45 is 15, meaning 15 students gave their speech on day 1
Today 2/5 of the remaining students gave their speech. That’s 12 more
So a total of 27 students gave their speeches. That means 18 students remain. The answer is 18
You have to estimate the square root which is what times itself equals the number in the square root. An integer is another word for a whole number or a number without any fractions. So you have to estimate what the square root is to the nearest whole number.
What options can you choose from? I guess it would be something like the medicine works or the medicine is not a placebo
