The area of a circle is modeled by the equation, a= (3.14)r^2. rewrite the equation in terms of the circle’s radius, r. in your final answer, include all of your calculations.

1. there are 25 students who started computer programming in elementary school and 25 students who started computer programming in middle school. the first group had a mean final project grade of 95% and the second group had a mean final project grade of 92%. the line plot shows the differences after 10 rerandomizations. determine whether the difference in the means of the two groups is significant based on the line plot. explain your answer.

Divide: 1573 ÷ 7 = a) 222 r5 b) 223 r6 c) 224 r5 d) 224 r3

Polygon abcde is reflected to produce polygon a′b′c′d′e′. what is the equation for the line of reflection?