Solve the equation.30b + 6 = 3b
A. 
B. 
C. 
D. {
}
Answer: C
Mathematics
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Find the additive inverse of the number.3.2
A. 3.2 B. -2.3 C. 2.3 D. -3.2
Mathematics
Write a formula for the nth term of the arithmetic sequence. Do not use a recursion formula.10, 15, 20, 25, 30, . . .
A. an = n + 5n B. an = 5n + 10 C. an = 10n D. an = 5n + 5
Mathematics
A cloth fragment is found in an ancient tomb. It contains 70% of the carbon-14 (half-life is 5700 years) that it is assumed to have had initially. How old is the cloth? Round your answer to the nearest integer. ?
A. 2,840 years B. 2,645 years C. 2,933 years D. 2,727 years E. 3,040 years
Mathematics
Solve the system by the addition method.9x - 7y = -61-3x - 2y = 16
A. {(-6, 2)} B. {(-7, 2)} C. {(-6, 1)} D. ?
Mathematics