Estimate the product by first rounding each value as indicated.23 × 97.11
round each to the nearest ten
A. 3000
B. 1800
C. 2000
D. 9000
Answer: C
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Evaluate the sum.
A. 
B. 
C. 
D. 
Provide an appropriate response. A stack of boards is 27 inches high and each board measures 3 inches thick. How many boards are in the stack?
A. 24 inches B. 9 inches C. 9 boards D. 24 boards
Use a graphing calculator to solve the linear equation.The graph of y1 is shown in the standard viewing window. Which is the only choice that could possibly be the solution of the equation y1 = 0? 
-30, - 
, 
, 30
A. - 
B. -30
C. 
D. 30
Write the function f as a set of ordered pairs. Give the domain and range of f.f(13) = 13, f(-2) = -6, f(2) = 8
A. f = {(-2, -6), (8, 2), (13, 13)}; D = {-2, 8, 13}; R = {-6, 2, 13} B. f = {(13, 13), (-2, -6), (2, 8)}; D = {-2, 2, 13}; R = {-6, 8, 13} C. f = {(-6, -2), (8, 2), (13, 13)}; D = {-6, 8, 13}; R = {-2, 2, 13} D. f = {(13, 13), (-2, -6), (2, 8)}; D = {-2, 2, 13}; R = {-6, 8}