Arock is dropped down from the top of a 500-foot cliff, after 1 second, the rock is traveling 32 feet per second, after 7 seconds it is traveling 224 feet per second . write an equation describing the relationship. determine speed of rock 10 seconds after drop

Each month, a shopkeeper spends 5x + 14 dollars on rent and electricity. if he spends 3x−5 dollars on rent, how much does he spend on electricity? for which value(s) of x is the amount the shopkeeper spends on electricity less than $100? explain how you found the value(s).

Your food costs are $5,500. your total food sales are $11,000. what percent of your food sales do the food costs represent?

If the ratio of sum of the first m and n terms of an ap is m2 : n2 , show that the ratio of its mth and nth terms is (2m − 1) : (2n − 1).