An octagon has the radius of 56 and an area of 10,391.9 square millimeters.
a1) what is the approximate perimeter of the octagon? round to the nearest whole number.
a) 93
b) 186
c) 371
d) 1299
a2) what is the approximate length of one side of the octagon? round to the nearest whole number.
a) 23
b) 46
c) 371
d) 1299

Which expression shows the sum of the polynomials with like terms grouped together

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.

What are the solutions of the equation? 16x^2 + 24x + 5 = 5 a. 1/4, 5/4 b. -1/4, -5/4 c. -1/4, 5/4 d. 1/4 , -5/4