Solve.x2 + 4x - 45 = 0
A. 5, -9
B. -5, 9
C. -36, -9
D. 
, - 
Answer: A
Mathematics
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Set up the general equation from the given statement.The power P required to propel a ship varies as the cube of the speed s.
A. P = 
B. P = 
C. P = k
D. P = ks3
Mathematics
Provide an appropriate response.Subtract the radicals and simplify: 
- 
A. 4
B. 4
C. 2
D. 2
Mathematics
Find area of figure. Round to the nearest hundredth if necessary.Find the area of a rectangle measuring 5.8 yd by 21.41 yd.
A. 33.64 yd2 B. 248.356 yd2 C. 124.178 yd2 D. 27.21 yd2
Mathematics
Find the expected value.A fair coin is tossed three times, and a player wins $3 if 3 tails occur, wins $2 if 2 tails occur and loses $3 if no tails occur. If one tail occurs, no one wins. What is the expected value of the games?
A. $0.75 B. $2.00 C. -$3.00 D. $3.00
Mathematics