Let x be a number. Translate the English phrase or sentence into a mathematical expression. 55 decreased by a number
A. 55 - x
B. 55 ÷ x
C. x - 55
D. 55 + x
Answer: A
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Compute the values of f(x) and use them to determine the indicated limit.If f(x) = 
, find 
f(x).
A. 
; limit = ?
B. 
; limit = 2.13640
C. 
; limit = 0.7071
D. 
; limit = 0.21213
Solve.Neglecting air resistance, the distance h traveled by a free-falling object in time t is given by the formula 
Use this formula to find the time of free fall for a parachutist who falls 3404 feet before opening her parachute. Round your answer to the nearest tenth of a second.
A. 3.6 sec B. 106.4 sec C. 14.6 sec D. 233.4 sec
Solve the problem.The bar graph below shows the percent of income spent on leisure activities in various countries of the world. In which country is the lowest percent of income spent on leisure activities? What percent is this?
A. China; 93.8% B. Australia; 8.7% C. China; 6.2% D. USA; 70.1%
Solve.A sign board has an area of 266 m2. The length of the diagonal is 
m. What are the dimensions of the sign?
A. 16m by 19 m B. 14 m by 19 m C. 14 m by 22 m D. 15 m by 18 m