Insert < or > to make the statement true.-7 _____ 0
A. -7 > 0
B. -7 < 0
Answer: B
Mathematics
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Water flows from a tank of constant cross-sectional area 50 
through an orifice of constant cross-sectional area 1/4 located at the bottom of the tank. Initially, the height of the water in the tank was 20 ft, and t sec later it was given by the equation 
. How fast was the height of the water decreasing when its height was 2 ft?
a. 
ft/sec
b. 2/25 ft/sec
c. 
ft/sec
Mathematics
Factor completely.x2 + 24x + 144
A. (x - 12)2 B. (x + 12)2 C. (x + 12)(x - 12) D. Prime
Mathematics
Find the product.(x + 11)(x - 11)
A. x2 - 22x - 121 B. x2 + 22x - 121 C. x2 - 22 D. x2 - 121
Mathematics
Find the real solutions of the equation.
= x + 7
A. {6} B. {7} C. {-5} D. {-6}
Mathematics