Atank holds 1000 gallons of water, which drains from the bottom of the tank in half an hour. the values in the table show the volume of water remaining in the tank (in gallon) after minutes. (min) 5 10 15 20 25 30 vol) 690438 250 115 27 0 (a) if p is the point (15, 250) on the graph of v, find the slopes of the secant lines when is the point on the graph with the following values, (round your answers to one decimal place slope (5, 690) (10,438) (20, 115) (25, 27) (30,0) (b) estimate the slope of the tangent line at p by averaging the slopes of two adjacent secant lines. (round your answer to one decimal place.) my notes ask you

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

Which of these statements is correct? the system of linear equations 6x - 5y = 8 and 12x - 10y = 16 has no solution. the system of linear equations 7x + 2y = 6 and 14x + 4y = 16 has an infinite number of solutions. the system of linear equations 8x - 3y = 10 and 16x - 6y = 22 has no solution. the system of linear equations 9x + 6y = 14 and 18x + 12y = 26 has an infinite number of solutions.

Our star pitcher, foster enlight, can throw a pitch so fast that it gets to the catcher’s mitt before it leaves foster’s fingers! if the team wins a game then the probability that foster was pitching is 0.8 but only if foster had at least one day’s rest since his last pitching assignment. if foster does not have a day off and the team still wins, the probability that foster was pitching drops by half of what it was on the previous day. if the team wins three games in succession from the toronto tachyons and foster pitched in game #2, what is the probability that he pitched in one or more of the other games? (assume that foster did not pitch on the day before the first game of this three game series.)