Find the slope of the line passing through the points (-4,-4) and (4,5).

What is the value of x in the equation 2(x-4) = 4(2x + 1)?

Fanny mendelssohn manages all the magazines and paperback books at a local grocery store. she prices many paperbacks to sell at $7.99. the cost to the store is $5.29. what is the markup rate on a paperback book, based on its cost?

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class