In a fish tank, 6/7 of the fish have a red stripe on them. If 18 of the fish have red stripes, how many total fish are in the tank? But this is a mulyiple choice q and the choices are A) 26 fish B) 21 fish C) 23 fish D) 25 fish

Helen earns 7.50 an hour at her job but if she works more than 35 hours in a week and is paid 1 and 1/2 times her regular salary for overtime hours worked. one week her gross pay was 352.50 how many overtime hours did she work that week

The ratio of girls to boys in your class is 5 to 7. Two girls joined your class. Now the ratio of girls to boys is 6 to 7. How many students are now in your class.

solve this system of linear equations. separate the x - and y-values with a comma. x = - 42 - 8y - 18x = - 4 - 8y

1 1/3 + 2 1/2 = a.) 1 7/8 b.) 1/3 c.) 3 1/3 d.) 8/15

Nathan spent 1/5 of his allowance on a movie ticket and 1/4 of his allowance on a snack. how much of his allowance did nathan spend explain how you found your answer.

What is the domain of f (x) = cos (x) ?

Mike and Kim invest $14,000 in equipment to print yearbooks for schools. Each yearbook costs $7 to print and sells for $35. How many yearbooks must they sell before their business breaks even?

What is the solution to the system of equations? Use the substitution method. j + k = 3 j - k = 7 A. The solution is (8, 1) B. The solution is (5, - 2) C. There is no solution. D. There are an infinite number of solutions.

30% of what number is 10.2

Long division 19 divide 23.94