How do I evaluate m:n = 1 over 4 and n=4 over 5

Is a 20% decrease followed by a 40% increase greater than the original price, less than the original price or the same as the original

What is the domain of f (x) = (1/1-x^2) and range as well

Jean practices gymnastics for 19 quarter hour periods each month. How many hours does she practice?

What is the answer to the equation 7/9+1/6+3/5

Write a word problem whose solution is absolute value 20=20

14 is what percent of 92

What is the domain of the function f (x) = 3|x + 4| + 1? all real numbers all real numbers less than or equal to - 4 all real numbers greater than or equal to 1 all real numbers greater than or equal to - 4

A cylinder has a radius of 40 ft and a height of 17 ft. What is the exact surface area of the cylinder? 1360π ft2 3200π ft2 4560π ft2 680π ft2

1.) Johnny and Alex went on a fishing trip and caught 31 fish. Johnny caught one less than three times as many fish as Alex caught. Write an equation to figure out how many fish each boy caught

A couch and coffee table cost a total of $1053. The cost of the couch is two times the cost of the coffee table. Find the cost of each item.