A scale model of a car is 10 inches long. The actual is 15 feet long what is the scale of the model?

If you substitute 3 for x what is the matching value for y? - 3x-y=-7

Which expression is equivalent to 1/5 (150x - 80y + 50-50x - 25y + 20)

Write number in two other forms 40,000+1,000+300+70+8

The poplution of Las vegas, Nevada has been increasing at an annual rate of 7.0%. If the poplution of las vegas was 478,434 in the year 1999, predict its population in 2010.

There were n signers of the declaration of independence. the oldest was benjamin franklin, who was yy years old. 7 is 10% of yy and nn is 80% of yy. how many signers were there?

For which function is the ordered pair (2, 12) not a solution? y = 6x y = x + 10 y = 14 - x y = x - 10

The total number of sides in two regular polygons is 13, and total number of diagonals is 25. How many sides are in each polygon?

A reader should try to determine the structure of what he is reading. True False

What are the multiples of 46

Suppose that a company has just purchased a new computer for $3200 The company chooses to depreciate using the straight-line method for 4 years. a) write a linear function that expresses the book value of the computer as the function of its age.