Solve the quadratic equation.9y2 + 12y + 4 = 0
A. 
, 
B. - 
, - 
C. 
, - 
D. - 
, - 
Answer: D
Mathematics
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Solve.x2 + y2 + 9y = 0x2 + y2 = 5x
A. (1, -1) 
B. (0,1) 
C. (0,0) 
D. (1,0) 
Mathematics
Use rational equations to solve the problems.A plane flies 430 miles with the wind and 310 miles against the wind in the same length of time. If the speed of the wind is 30 mph, what is the speed of the plane in still air?
A. 175 mph B. 210 mph C. 190 mph D. 185 mph
Mathematics
Find the indicated function values.If h(x) = x3 - x, find a. h(-1)
b. h(0)
c. h(-4)
A. a. 0 b. 0 c. -68 B. a. 0 b. 0 c. -60 C. a. -2 b. 0 c. -68 D. a. -2 b. 0 c. -60
Mathematics
Solve the problem.Tom Darcy makes $4.75 for each chimney he sweeps. Find his gross earnings if he sweeps 19 chimneys.
A. $90.25 B. $99.75 C. $80.75 D. $23.75
Mathematics