Solve by making a u-substitution.x - 11
+ 30 = 0
A. {5, 6}
B. {-25, 36}
C. {25, 36}
D. {-5, 6}
Answer: C
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A. 31.2 ft3 B. 125.0 ft3 C. 62.5 ft3 D. 12.5 ft3
Find the value of each square root by use of a calculator. Each number is approximate.
A. 0.1048 B. 0.5700 C. 0.570 D. 0.57
Combine like terms when possible and write the polynomial in descending powers of the variable. Give the degree of the simplified polynomial. Decide whether the simplified polynomial is a monomial, a trinomial, or none of these.6x6 + 6x4 - 2x6
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Solve the system of equations. x + y + z = 7 x - y + 2z = 7 5x + y + z = 11
A. {(1, 2, 4)} B. {(4, 2, 1)} C. {(4, 1, 2)} D. {(1, 4, 2)}