Johns patio is 5 feet by 7 feet. He will be increasing the width and the length each by x feet. He wants the new are of his patio to be at least 120 square feet. Determine all the possible values for x.

Yesterday i ran 5 miles. today, i ran 3.7 miles. did my percent increase, decrease or is it a percent error? plz i need

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10