What additional information do you need to prove ∆ABC ≅ ∆DEF by the SAS Postulate?

A.) ∠CAB ≅ ∠FDE

B.) ∠BCA ≅ ∠EFD

C.) ∠ABC ≅ ∠DEF

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?

Satchi found a used bookstore that sells pre-owned dvds and cds. dvds cost $9 each, and cds cost $7 each. satchi can spend no more than $45.

Rewrite the following quadratic functions in intercept or factored form. show your work. f(x) = 3x^2 - 12