Provide an appropriate response.Simplify and express using positive exponents: 
-1
What will be an ideal response?
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Provide an appropriate response. An average person burns off 100 calories if they bicycle for 15 minutes at 9 mph. There are approximately 3,500 calories in one pound. Harry signed up at the local fitness center and spent 45 minutes on the stationary bicycle pedaling at a steady rate of 9 mph. How many calories did he burn? Did he use up a pound?
A. 4,500 calories; yes B. 300 calories; no C. 900 calories; no D. 3,200 calories; no
Perform the indicated operations.
- 
A. - 
x2y + 
B. 
x2y + 
C. 
x2y + 
D. - 
x2y + 
? is a central angle that cuts off an arc of length s. Find the radius of the circle if ? = 3°, 
m .
?
If the answer needs rounding, round it to three significant digits.
?
r = __________ m
Fill in the blank(s) with the appropriate word(s).
Find an equation for the ellipse described.Center at (5, 3); focus at (12, 3); vertex at (14, 3)
A. 
- 
= 1
B. 
+ 
= 2
C. 
+ 
= 1
D. 
+ 
= 1