Find the real solutions of the equation.
= x
A. 
B. {-3, 10}
C. {10}
D. no real solution
Answer: C
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Add or subtract measurement numbers, rounding to the correct precision.16.2 psi + 12.64 psi + 16.32 psi
A. 45 psi B. 45.2 psi C. 45.1 psi D. 45.3 psi
Solve the problem.Two tracking stations are on the equator 146 miles apart. A weather balloon is located on a bearing of N 43°E from the western station and a bearing of N 23°E from the eastern station. How far, to the nearest mile, is the balloon from the western station? Round to the nearest mile.
A. 402 mi B. 390 mi C. 393 mi D. 381 mi
Solve the problem.Scrambled Electronics will finance a $241 TV set for 
down and 
a month for 6 months. How much money can you save by paying cash for the TV set?
A. $47.56 B. $288.56 C. $52.44 D. $2.44
Use substitution to factor the polynomial.60z6 + 123z4 + 60z2
A. 3(4z4 + 5)(5z2 + 4) B. 3z2(5z2 - 4)(4z2 - 5) C. (12z3 + 15)(5z3 + 4) D. 3z2(4z2 + 5)(5z2 + 4)