Yes the answer is 3 miles per hour.
Answer:

Step-by-step explanation:
Length of the ladder = 4 feet 1 inch
We know that,
<h3>1 feet = 12 inches</h3>
So,
4 feets = 12 × 4 inches
4 feets = 48 inches
So,
<h3><u>Length of the ladder:</u></h3>
= 48 inches + 1 inch
= 49 inches
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Answer:
use your calculator
Step-by-step explanation:
To calculate the Linear Regression (ax+b): Press [STAT] to enter the statistics menu. Press the right arrow key to reach the CALC menu and then press 4: LinReg(ax+b). Ensure Xlist is set at L1, Ylist is set at L2 and Store RegEQ is set at Y1 by pressing [VARS] [→] 1:Function and 1:Y1.
72 represents 6 "units", so divide by 6 to get the number of people in one "unit":
72/6 = 12
Now multiply by 5 to get the number of boys:
12 * 5 = 60 boys
Start point A = (-4, 1) over y, A = (4,1) over x, A = (4, -1) rotated 180 degrees.