Solve the problem by writing and solving a suitable system of equations.A shopkeeper orders 54 pounds of cashews and peanuts. If the amount of cashews he orders is 
less than the amount of peanuts, how many pounds of peanuts did he order?
A. 27 pounds
B. 42 pounds
C. 21 pounds
D. 33 pounds
Answer: D
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Solve the problem.A couple plans to have four children. Using a tree diagram , obtain the sample space. Then, find the probability that the family has three boys first and then one girl.
A. 
B. 
C. 
D. 
Solve the problem. Use 3.14 to approximate the value of ?. Round to nearest tenth unless instructed differently.The outfield wall in a baseball park is in the shape of a quarter circle. If the radius of the circle is 10 ft, how long is the wall?
A. 31.4 ft B. 15.7 ft C. 7.9 ft D. 13.7 ft
Determine the system of inequalities illustrated in the graph. Write inequalities in standard form.
A. x + y ? 2 2x + y ? 5 B. x - y ? 2 2x + y ? 5 C. x - y ? 2 2x + y ? 5 D. x + y ? 2 2x + y ? 5
Solve.The height of a golf ball in feet after t seconds is given by 128t - 16t2. Factor this expression.
A. 16t2(8 - t) B. 16t(8 - t) C. 16(8t - t2) D. 4t(32 - 4t)