Select a tool or technique such as manipulatives or mental math to find A(7) when A(n) = A(n-1) +5 and A(1) = - 10.
A(7)=
(Simplify your answer.)

Find the slope of the line below . enter your answer as a fraction or decimal. use a slash mark ( / ) as the fraction bar if necessary

On a string instrument, the length of a string varies inversely as the frequency of its vibrations. an 11-inch string has a frequency of 400 cylces per second. find the frequency of a 10-icnch string.

Which expression is equivalent to 3^3 + 2^2?