9 The rates for two homework help services are shown below Homework SOS Homework Lifeline Rates for Our Services • Pay $25 to set up an account with our service 9.322 • Then pay $0.40 for each minute of homework assistance that you receive Minutes Part A Which service has the greater rate of change? Which has a greater initial w Describe what this means in the context of the problem Show your work.

Which of the following parabolas opens down?

Consider the input and output values for f(x) = 2x - 3 and g(x) = 2x + 7. what is a reasonable explanation for different rules with different input values producing the same sequence?

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 −