Add or subtract as indicated. Write the answer in simplest form.
+ 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.The annual precipitation for one city is normally distributed with a mean of 350 inches and a standard deviation of 3 inches. In what percentage of years is the rainfall greater than 356 inches?
A. 2.5% B. 5% C. 34% D. 16%
Mathematics
Provide an appropriate response.The mail carrier takes away six checks for $10 each. Are you richer or poorer? by how much?
A. Poorer by $200; (-6) ? 10 = -200 B. Richer by $60; 6 ? 10 = 60 C. Richer by $200; (-6) ? (-10) = 200 D. Poorer by $60; (-6) ? 10 = -60
Mathematics
Determine whether the factors of the trinomial are the given binomials.16x2 + 36x + 20; (4x + 5)(4x + 4)
A. No B. Yes
Mathematics
Find the y-intercept of the polynomial function.f(x) = -x2(x + 4)(x2 + 1)
A. 0 B. -4 C. 1 D. 4
Mathematics