Let x be a number. Translate the English phrase or sentence into a mathematical expression. -16 decreased by a number
A. -16 + x
B. -16 - x
C. -16 ÷ x
D. x - (-16)
Answer: B
Mathematics
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Assume a population of 61.5 million.What is the empirical probability of death by stroke during a single year?
A. 0.056 B. 0.0056 C. 0.00056 D. 0.000056
Mathematics
If f satisfies the equation of change 
, and the initial value of f is 7.76, find a formula for the function 
.
?
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.A propeller on a wind generator rotates 94° in 1.5 s. How many radians does the propeller rotate in 
A. 0.82 rad B. 1.6 rad C. 5,400 rad D. 3.3 rad
Mathematics
Plot the point in a polar coordinate system.(4, 60°)
A. 
B. 
C. 
D. 
Mathematics