Yochanan walked from home to the bus stop at an average speed of 5 mph. he immediately got on his school bus and traveled at an average speed of 60 mph until he got to school. the total distance from his home to school is 35 miles, and the entire trip took 1.5 hours. the following system of equations represents this:

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.

Given: circle o, cd is diameter, chord ab || cd. arc ab = 74°, find arc ca.

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