Como acho a classe de equivalência de 5/9 e 7/13

Kelly had some rope in her closet. She cut the rope into 7 equal pieces. Each piece was 1/2 ft long. How long was Kelly's rope before she cut it apart? A. 2 1/2 ft B. 3 1/2 ft C. 7 ft D. 14 ft

What is the common difference/ratio for this sequence and is it arithmetic or geometric?: - 12. 3, - 9. 7, - 7. 1, - 4. 5, ...

Eddie is practicing wind sprints during his summer break. He's able to run 72 meters in 12 seconds. If d represents distance and t represents time, which equation represents this proportional relationship?]

Solve for x X^2+6x+9=20

What is the width or length of a rectangle with an area that equals 45.5cm2

Tommy is 22 years older than his son, Patrick. If their ages add up to 50, how old is Tommy?

F (x) = - 3x+8 g (1) = ? What is the Answer

Solving the equation:-9h-6 + 12h + 40=20

An international company has 25,600 employees in one country. If this represents 24.8% of the company's employees, how many employees does it have in total?

There are 320 rods in a mile. Find the length of a did in feet