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Write an equation for the linear function and use it to answer the given question. Normaltown High School's pool record for the 100-yard freestyle was 46.7 in 1990. Assume that the record falls at a constant rate of 0.07 second per year. What does the model predict for the record in 2017?
A. R = 46.7 + 0.07t; 48.59 seconds B. R = 46.7 - 0.07t; 44.81 seconds C. R = 46.7t - 0.07; 1260.83 seconds D. R = 46.7t + 0.07; 1260.97 seconds
Solve the problem.Suppose that y = 
can be used to calculate the number of years y for x percent of a population of 
sparrows to die. Approximate the percentage (to the nearest whole per cent) of 
sparrows that died after 3 years.
A. 97% B. 87% C. 89% D. 85%
Find the equation in slope-intercept form of the line satisfying the conditions.m = - 
; y-intercept 
A. y = - 
x - 
B. y = 
x + 
C. y = 
x - 
D. y = - 
x + 
Solve the system of equations algebraically for real values of x and y.
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Please enter your answer as an ordered pair in the form (x, y).
What will be an ideal response?