Explain how you could use a number line to show that -4 + 3 and 3 + (-4) have the same value. which property of addition states that these sums are equivalent?

How do i work this problem out using the equation a=pe^rt

Solve the equation by completing the square. x^2+2x=17

David estimated he had about 20 fish in his pond. a year later, there were about 1.5 times as many fish. the year after that, the number of fish increased by a factor of 1.5 again. the number of fish is modeled by f(x)=20(1.5)^x. create a question you could ask that could be answered only by graphing or using a logarithm.