Answer:78
Step-by-step explanation:
Answer = 0
-1(-1)=1
1 + -1 = 0
AC＝AC (reason: reflexive property)
Step-by-step explanation:
Hope it helps you!
<h3>Answer:</h3>
12 students
<h3>Explanation:</h3>
40% earned a B; 20% earned an A, so (40%+20% =) 60% got a "B or better."
60% of 20 students is ...
... 60/100 × 20 students = 1200/100 students = 12 students
Answer:
A=346.46
Step-by-step explanation:
Using the formulas
A=πr2
d=2r
Solving forA
A=1
4πd2=1
4·π·212≈346.36059
