Solve by using the quadratic formula:
A) No real number solution
B) –7, –1
C) –12, –4
D) –7, –9
E) –6, –4
A) No real number solution
Mathematics
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Add and, if possible, simplify.
+ 
+ 
A. 
B. 
C. 
D. 
Mathematics
Check the addition. If the answer is incorrect, find the correct answer.
1523
A. Correct B. Incorrect; should be 1525 C. Incorrect; should be 1623 D. Incorrect; should be 1521
Mathematics
The circumference of a circle is 70.7 m. Find its radius. Use the rules for working with measurements.
A. The radius is 4.74 m. B. The radius is 11.3 m. C. The radius is 5.63 m. D. The radius is 22.5 m. E. The radius is 45.0 m.
Mathematics
Find the indicated angle.Find the complement of 36°.
A. 144° B. 234° C. 324° D. 54°
Mathematics