If y varies inversely as x, find the inverse variation equation for the situation.y = 10 when x = 7
A. y = 
B. y = 
C. y = 
x
D. y = 
Answer: A
Mathematics
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Simplify the expression by multiplying. 2(-4ab)
A. 2ab B. -2ab C. 8ab D. -8ab
Mathematics
The velocity, in feet/second, of a rocket t seconds into vertical flight is given by
?
?
What is the altitude of the rocket 20 seconds after liftoff?
?
Hint: 
; 
.
?
A. 31,000 ft
B. 30,800 ft
C. 30,700 ft
D. 30,500 ft
Mathematics
Find the area of the region under the graph of 
from 
to 
variablename="impvar_c13c19278fb244a38855726f3" />. What will be an ideal response?
Mathematics
Solve the system of equations.
A. x = 2, y = 1, z = -3 B. x = -3, y = 2, z = 1 C. inconsistent (no solution) D. x = -3, y = 1, z = 2
Mathematics