Suppose that it takes Jenny 2 hours to wax a car if she works alone and it takes Carol 4 hours to wax the same car if she works alone. How long will it take them to wax the car, in hours, if they work together?

What is The best decimal to represent 5 3/7

The sum of 3 conservative integer is 39. find the integers

If |a| equal |d| what does that tell u about a and d?

If f (x) = x^2 4x and g (x) = 2x 2, what is f (5) g (6) ?

You have 12 product displays. Six have 4 shelves and six have 3 shelves. It is store policy to dedicate at least one full shelf to each product. What is the maximum number of products you can have?

the sum of three numbers is 81. the second number is twice the first, and the third number is six more than the second. find the number

Your research frm has found that salanies for coffee shop baristas have a normal distrbution with a mean of $16. 164 per year and a standard deviation of $1,459.

The Martins swimming pool is a square and is in the center of a plot that is 36 meters on a side. They have 1152 square meters of lawn. How long is a side of the pool?

What is 92 + 8A in hexadecimal?

If two students from the highschool are chosen at random one after the other to represent the school at a leadership conference what is the probability that the second student chosen is a sophmore girl if the first student chosen was a senior boy