Sofie ruth is eating a 50 gram chocolate bar which contains 30 percent of cocoa. how many grams of cocoa are in the chocolate bar?

Given the function f(x) = 3x + 1, evaluate f(a + 1). a. 3a + 1 b. a + 2 c. 3a + 4

If lmn=xyz, which congruences are true by cpctc? check all that apply

Brian, chris, and damien took a math test that had 20 questions. the number of questions brian got right is 14 more than the number of questions chris got right. damien correctly answered 2 less than the number of questions chris answered correctly. if brian and damien have the same score, which statement is true?