Find the vertex of the parabola.y = x2 + 14x + 50
A. (-1, 7)
B. (7, -1)
C. (1, -7)
D. (-7, 1)
Answer: D
Mathematics
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If you work for $8 per hour, then your pay P, in dollars, is proportional to the hours you work. Express this proportionality relationship as a formula using H for hours worked. ?
A. 
B. 
C. 
D. None of the above.
Mathematics
Solve by using the percent proportion 
= 
.19 is 1% of what?
A. 
= 
; b = 1900
B. 
= 
; b = 19,000
C. 
= 
; a = 19
D. 
= 
; p = 190
Mathematics
Solve the problem.The average per-person annual consumption of hot dogs is shown in the table. Let C be the average per-person consumption of hot dogs at year t. Find an equation of a linear model to describe the data.
A. C = 3t + 17.6 B. C = 0.97t + 18.41 C. C = t - 18.02 D. C = 0.97t - 1824.59
Mathematics
y?? +10y? + 25y = 0
What will be an ideal response?
Mathematics