Angela’s average for six math tests is 87. on her first four tests she had scores of 93, 87, 82, and 86. on her last test, she scored 4 points lower than she did on her fifth test. what scores did angela receive on her fifth and sixth tests?

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Astudent draws two parabolas on graph paper. both parabolas cross the x-axis at (-4, 0) and (6,0). the y-intercept of thefirst parabola is (0, –12). the y-intercept of the second parabola is (0-24). what is the positive difference between the avalues for the two functions that describe the parabolas? write your answer as a decimal rounded to the nearest tenth.

Two years ago a man was six times as old as his daughter. in 18 years he will be twice as old as his daughter. determine their present ages.