Solve the equation. Express radicals in simplest form.0.5x2 + 0.7x -0.9 = 0
A. -0.81, 2.22
B. 0.81, -2.21
C. 0.82, 2.21
D. -0.81, 2.21
Answer: B
Mathematics
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Solve the problem.The height of a projectile moving vertically is given by the table, where t is the elapsed time in seconds and h is the height in feet.
If the height is modeled by 
where v0 and h0 are the velocity and height at 
respectively, find v0.
A. 2300 ft/sec B. 3000 ft/sec C. 1150 ft/sec D. 1500 ft/sec
Mathematics
Evaluate the expression.
-4/3
A. 
B. not a real number
C. - 
D. 
Mathematics
Find the difference.
- 
A. - 
B. 
C. - 
D. 
Mathematics
Solve. Write the answer as a mixed number in simplest form.On a recent trip, Asha drove 238 miles on 10
gallons of gasoline. How many miles per gallon did she average?
A. 
mpg
B. 2406
mpg
C. 23
mpg
D. 264
mpg
Mathematics