Solve the problem.A yard in the shape of a square measures 
on each side. A triangular area with a height of 
and a base of 
is dug up for a flower bed. How much yard area is left over?
A. 161.5 ft2
B. 342 ft2
C. 323 ft2
D. 380 ft2
Answer: B
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Graph the region described by the inequality.x > -9 
A. 
B. 
C. 
D. 
Multiply and simplify.
? 
A. 5m
B. 
C. 
D. 10
Solve the problem.A water tank can be filled in 6 minutes and emptied in 8 minutes. If the drain is accidentally left open when the tank is being filled, how long does it take to fill the tank?
A. 
min
B. 
min
C. 3
min
D. 24 min
Use the given information about an earthquake to find the missing values.Use the energy E released by an earthquake to find (a) the magnitude of the earthquake and (b) the earthquake intensity I in terms of the zero-level earthquake intensity I0.E = 1015.8 joules
A. (a) 6.6 (b) 4.98 × 108 I0. B. (a) 8.5 (b) 3.98 × 108 I0. C. (a) 7.6 (b) 3.98 × 107 I0. D. (a) 7.7 (b) 5.98 × 106 I0.