Provide an appropriate response.Correct and explain the error that a student made when he added 0.11 + 1 + 50.1 this way: 
5 2.2
What will be an ideal response?
The columns were not aligned correctly. The correct answer is 51.21.
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Find an ordered pair that satisfies the given equation and uses the given value of x. y = -8x - 15 let x = 0
A. (0, -120) B. (0, -23) C. (0, -15) D. (0, -3)
Evaluate the expression for the given value of the variable.The winning times (in seconds) in a speed-skating event for men can be represented by the model 
where x represents the year, with x = 0 corresponding to 1920. (For example in 1992, x would be 
What would the winning time in 1969 be according to the model? (Round the answer to the nearest hundredth.)
A. 43.71 seconds B. 42.77 seconds C. 2270.95 seconds D. 41.83 seconds
A path that is 5 ft wide is built around a rectangular garden. The garden is 29 ft long and 14 ft wide. What is the area of the path?
 figure 3.png)
a. 530 ft ft²
b. 646 ft²
c. 106 ft²
d. 401 ft²
e. 86 ft²
Find: a. The center and radius of the circle. b. The x- and y-intercepts of the graph of the circle.5x2 + 5y2 - 4y = 0
A. a. center = 
; radius = 
b. (0, 0), 
B. a. center = 
; radius = 
b. 
C. a. center = 
; radius = 
b. (0, 0), 
D. a. center = 
; radius = 
b. (0, 0)