26. Critique Reasoning Two gears on a bicycle have the shape of circles.
Gear 1 has a diameter of 4 inches, and gear 2 has a diameter of 2 inches.
Justin says that the circumference of gear 1 is 2 inches more than the
circumference of gear 2. Do you agree? Explain your answer using
proportional reasoning.

Arectangle with an area of 47 m² is dilated by a factor of 7. what is the area of the dilated rectangle? enter your answer in the box. do not leave your answer as a fraction.

The lengths of nails produced in a factory are normally distributed with a mean of 4.91 centimeters and a standard deviation of 0.05 centimeters. find the two lengths that separate the top 4% and the bottom 4%. these lengths could serve as limits used to identify which nails should be rejected. round your answer to the nearest hundredth, if necessary.

For f(x)=2x+3 and g(x)=x^2- 8 find (f+g) (x)