The current value of a baseball card is 60 times its original value v (in dollars) the baseball card is worth $15. write and solve an equation to find original value of the baseball card.

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?

In the polynomial below, what number should replace the question mark to produce a difference of squares? x2 + ? x - 36

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base