Solve.One number is 1 less than a second number. Twice the second number is 17 more than 5 times the first. Find the two numbers.
A. -4 and -3
B. -6 and -5
C. 4 and 5
D. -5 and -4
Answer: D
Mathematics
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Find the first term and the common difference.-14, -16, -18, -20, . . .
A. a1 = -14, d = -2 B. a1 = -14, d = -6 C. a1 = -14, d = 2 D. a1 = -14, d = -4
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Provide an appropriate response.Identify the greatest common factor (GCF) of 2x2 + 4x.
A. 4x B. 2 C. 2x D. x
Mathematics
Find the degree and leading coefficient of the polynomial.-10x5 - 8x4 - 7x3
A. Degree: 5; leading coefficient: -10 B. Degree: 12; leading coefficient: -10 C. Degree: 3; leading coefficient: -10 D. Degree: -10; leading coefficient: 5
Mathematics
Solve the problem.A certain radioactive isotope decays at a rate of 0.275% annually. Determine the half-life of this isotope, to the nearest year.
A. 252 yr B. 109 yr C. 182 yr D. 3 yr
Mathematics