Subtract.-7 - (-20)
A. -13
B. 13
C. -27
D. -7
Answer: B
Mathematics
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Graph the ellipse and label the center.
+ 
= 1
A. C(-6, -9)
B. C(6, 9)
C. C(-6, 9)
D. C(6, -9)
Mathematics
Find the exact or approximate circumference of the circle, as indicated.Find the approximate circumference. Use 
for ?.
A. 902 mi B. 1,804 mi C. 451 mi D. 258,874 mi
Mathematics
The sample space is the pieces of paper taken two at a time with the numbers 1-7 written on them. What is the probability that the sum of the two numbers drawn is 8?
A. 
B. 
C. 
D. 
E. 0
Mathematics
Use = or ? for ? to write a true sentence.
? 
A. ? B. =
Mathematics