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(06.02 MC) Given the following system of equations and its graph below, what can be determined about the slopes and y-intercepts of the system of equations? 5x + 2y = 23x − 3y = 18

(09.01 LC) What is the arc length when Θ = and the radius is 8 cm?

(06.03 MC) Which of the graphs below correctly solves for x in the equation x2 − 4x + 3 = x + 3?

(08.02 MC) Maryann is testing the effectiveness of a new acne medication. There are 100 people with acne in the study. Fifty-five patients received the acne medication, and 45 other patients did not receive treatment. Thirty of the patients who received the medication reported clearer skin at the end of the study. Twenty-two of the patients who did not receive medication reported clearer skin at the end of the study. What is the probability that a patient chosen at random from this study took the medication, given that they reported clearer skin?

(08.01 LC) Jeremy is playing a board game and rolls two number cubes. Let A = {the sum of the number cubes is even} and let B = {the sum of the number cubes is divisible by 3}. List the outcomes in A ∩ B.

Choose the TRUE statement about female reproduction.

(06.01 MC) Solve the system of equations below. x − y = 63x − 2y = 22

(05.02 MC) The function f(x) = 2(3)x represents the growth of a dragonfly population every year in a remote swamp. Rose wants to manipulate the formula to an equivalent form that calculates seven times a year, not just once a year. Which function is correct for Rose’s purpose, and what is the new growth rate?

(08.04 MC) Flight times for commuter planes are normally distributed, with a mean time of 94 minutes and a standard deviation of 7 minutes. Using the empirical rule, approximately what percent of flight times are between 80 and 108 minutes?

(09.03 MC) The function f(t) = 4 cos(t) + 15 represents the tide in Bright Sea. It has a maximum of 19 feet when time (t) is 0 and a minimum of 11 feet. The sea repeats this cycle every 6 hours. After five hours, how high is the tide?