At an ice cream store, a family ordered 3 banana splits and 3 hot fudge sundaes, paying a total of $21 for their order. the next customer ordered 5 banana splits and 3 hot fudge sundaes and paid $27. how much does each item cost?

Which equation can be used to solve for the unknown number? seven less than a number is thirteen. n-7=13 7-n=13 n+7=13 n+13=7

If f(x) = 6x – 4, what is f(x) when x = 8? a2 b16 c44 d52

Mariah is randomly choosing three books to read from the following: 5 mysteries, 7 biographies, and 8 science fiction novels. which of these statements are true? check all that apply. there are 20c3 possible ways to choose three books to read. there are 5c3 possible ways to choose three mysteries to read. there are 15c3 possible ways to choose three books that are not all mysteries. the probability that mariah will choose 3 mysteries can be expressed as . the probability that mariah will not choose all mysteries can be expressed as 1 −