Perform the indicated operation.40.55 + 5.882 + 2.716 + 8.45
A. 57.698
B. 57.608
C. 57.598
D. 58.598
Answer: C
Mathematics
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List the critical values of the related function. Then solve the inequality.
- 
? 0
A. -6, - 
, 4; (-?, -6) ? 
B. 
? (4, ?)
C. -6, 4; (-?, -6) ? (4, ?)
D. - 
; 
Mathematics
Solve.A motorcycle traveling at 70 miles per hour overtakes a car traveling at 40 miles per hour that had a three-hour head start. How far from the starting point are the two vehicles?
A. 7 miles
B. 76
miles
C. 280 miles
D. 4 miles
Mathematics
Write the expression in the standard form a + bi.
A. -i B. 1 C. i D. -1
Mathematics
Use Heron's formula to find the area of the triangle. Round to the nearest square unit.a = 7, b = 13, c = 7
A. 17 B. 9 C. 36 D. 34
Mathematics