Express the number as the ratio of two integers.0.77777 . . .
A. 
B. 
C. 
D. 
Answer: D
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Solve.The graph depicts a relationship between scores achieved on an unspecified standardized test and family income. Find the slope of the line.
A. 100 point(s) per thousand dollars B. 10.1 point(s) per thousand dollars C. 1000 point(s) per thousand dollars D. 1 point(s) per thousand dollars
Simplify the difference quotients 
and 
for the following function. Rationalize the numerator when necessary.f(x) = 
A. 
; 
B. 
; 
C. - 
; - 
D. - 
; - 
Solve the problem.Mieko, who is 1.60 m tall, wishes to find the height of a tree with a shadow 32.18 m long. She walks 22.63 m from the base of the tree along the shadow of the tree until her head is in a position where the tip of her shadow exactly overlaps the end of the tree top's shadow. How tall is the tree? Round to the nearest hundredth.
A. 2.73 m B. 2.28 m C. 5.39 m D. 1.60 m
Evaluate the integral by first performing long division on the integrand and then writing the proper fraction as a sum of partial fractions.
A. 2x2 + ln 
- x ln 
+ C
B. 2x2 + ln 
+ 
ln 
+ C
C. 2x2 - 
ln 
+ C
D. 2x2 + ln 
- 
ln 
+ C