Work the chain multiplication.5 ? 6 ? 7
A. 240
B. 220
C. 18
D. 210
Answer: D
Mathematics
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The function f(x) changes value when x changes from x0 to x0 + dx. Find the approximation error 
. Round your answer, if appropriate.f(x) = x2 - x, x0 = 9, dx = 0.05
A. 0.005 B. 0.4525 C. 0.0025 D. 0.45
Mathematics
A single die is rolled twice, and the equally likely 36 outcomes are shown.
Find the probability of two numbers whose sum is 13.
A. 
B. 1
C. 
D. 0
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.-5
- 5
- 4
A. -107
B. -7
C. -5
D. 7
Mathematics
Decide whether the statement is an example of the commutative, associative, identity, inverse, or distributive property.5(x + 6) = 5x + 5 ? 6
A. Associative B. Commutative C. Identity D. Distributive
Mathematics