Solve using the addition and multiplication principles together.4n - 4 = 24
A. 24
B. 10
C. 28
D. 7
Answer: D
Mathematics
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Rewrite each number using scientific notation before performing the operation. Leave your answer in scientific notation form.3 × 10-35 + 5 × 10-34
A. 5.3 × 10-35 B. 5.3 × 10-33 C. 5.3 × 10-34 D. 8.0 × 10-34
Mathematics
Solve by the method of elimination by substitution.x + y = 4x - y = 14
A. x = -9, y = -4 B. x = 8, y = -4 C. x = 9, y = -5 D. Inconsistent
Mathematics
Find the limit.
sec x
A. 0 B. -? C. ? D. 1
Mathematics
Factor: a2 + 8a + 16
a. (a + 1)(a + 16) b. (a + 2)(a + 8) c. (a - 2)(a + 10) d. (a + 4)(a + 4) e. (a - 4)(a - 4)
Mathematics