1. Find the measure of ∠AQC. 2. Find the length of arc AC to the nearest tenth. Explain how you found the answer. 3. Find the area of sector AQC to the nearest tenth. Explain how you found the answer. 4. If you double the radius of circle Q, what happens to the area of the sector? Justify your answer.

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8

Emily is entering a bicycle race for charity. her mother pledges $0.90 for every 0.75 mile she bikes. if emily bikes 18 miles, how much will her mother donate?

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