After buying some new coins, Andre has 80 coins in his collection. Last month, he had 50 coins. The size of his current collection is what percentage of his collection last month?

Come up with a new linear function that has a slope that falls in the range 10 m − < < . choose two different initial values. for this new linear function, what happens to the function’s values after many iterations? are the function’s values getting close to a particular number in each case?

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

What number is 7 units left of -15?