What is the multiplicative inverse of -1/15? and

what is the additive inverse of -1/15?

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Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

What is the value of x in the this question ?

Show your workcan a right triangle have this sides? *how to prove it without using the pythagorean theorema*