Add or subtract as indicated.
+ 
A. 
B. 
C. 
D. 7
Answer: B
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Evaluate the algebraic expression for the given values of the variables.3xy - x 2 y 2 + 3y 2, x = 5 and y = 1
A. –14 B. –4 C. –8 D. 3 E. –7
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%
Determine whether the relation represents a function. If the relation is a function, state its domain and range.{(r, x), (s, y), (t, z), (r, w)}
A. function; domain: {r, s, t}; range: {x, y, z, w} B. function; domain: {r, s, t}; range: {x, y, z} C. not a function D. function; domain: {x, y, z, w}; range: {r, s, t}
Find the average of the set of numbers.
and 
A. 
B. 
C. 
D. 