Shau-uen solved the equation 18.5 w + 6.5 w minus 2.8 w = 149.1. her work is shown below. step 118.5 w + 6.5 w minus 2.8 w = 149.10step 225 w minus 2.8 w = 149.1step 3 negative 2.8 w = 5.964step 4w = negative 2.13in which step did shau-uen make her first error? plz fast

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?

Me answer this question: -2/3p + 1/5 - 1 + 5/6p i think the simplified expression is 1/6p - 4/5 correct me if i'm wrong, and explain it! if i have it right, just tell me. you so

The perimeter of △cde is 55 cm. a rhombus dmfn is inscribed in this triangle so that vertices m, f, and n lie on the sides cd , ce , and de respectively. find cd and de if cf=8 cm and ef=12 cm. the answer is not cd=20 and de=15. i have tried that one, it does not work.