Break 42 into 7 equal fractions

What is 2*1/2*3*1/3*4*1/4?

What is the solution to the system? y=9*+5 y=9*-7

A class is attended by 18 girls and 24 boys. what is the value of the ratio of boys and girls in class?

There are 90 students in a speech contest. Yesterday, 1/3 of them gave their speeches. Today, 3/5 of the remaining students gave their speeches. How many students still haven't given their speeches?

All of the edges of a moving box are of equal length. If the surface area is 864 square inches, what is the length; in inches of each edge of the box?

The expression 5/9 (F - 32) shows how to convert from degrees Fahrenheit to degrees Celsius, where F represents the temperature in degrees Fahrenheit. What is the temperature in degrees Celsius when the temperature is 113 degrees F?

Simplify the remaining expression completely x^6y^4/xy^2

Greatest common factor of 8x and 40?

A small factory can produce 245 sofas each day or 315 overstuffed chairs per day. the workers produced 8,820 pieces of furniture to fill an order. if they built sofas for 18 days, how many days of production were needed to build the chairs?

At the beginning of mathematics class, Mrs. Reno gives a warm-up problem. She says, "I am think of a number such that 6 less than the product of 7 and this number is 85." Which number is she thinking of?