Solve the equation.
= -9
A. -15
B. 45
C. 1
D. -14
Answer: B
Mathematics
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Change the following percent to a decimal.0.8
A. 80 B. 0.0008 C. 8 D. 0.08 E. 0.008
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Solve the problem.From year 1 to year 2 during a scientific survey, the number of a certain species of frog increased by 8352, bringing the worldwide total to 93,003. How many frogs of that species were there in year 1 of the survey?
A. 92,003 frogs B. 84,651 frogs C. 93,203 frogs D. 168,171 frogs
Mathematics
Solve the system of equations using substitution.
A. x = -8, y = 5 or (-8, 5) B. x = 8, y = -5 or (8, -5) C. x = -8, y = -5 or (-8, -5) D. x = 8, y = 5 or (8, 5)
Mathematics
Find the length of the circular arc associated with the angle ?. An angle of measure 9? in a circle of radius 5
A. 45?
B. 
C. 
?
D. 45
Mathematics