On monday bianca spent 4 8/9 hours studying. on tuesday she spent another 3 5/6 hours studying. what is the combined length of time did she spend studying?

Which statement justifies why angle ebc measures 90?

Sanya noticed that the temperature was falling at a steady rate of 1.4 degrees every hour from the time that she first checked her outdoor thermometer. by 6 a.m., the temperature had fallen 21 degrees. which expression can you use to find how many hours earlier she had first checked the thermometer?

Rewrite the following quadratic functions in intercept or factored form. show your work. y = 9 + 12x + 4x^2