What is the frequency for the interval 86–89 in this histogram? 80, 82, 83, 83, 84, 85, 85, 85, 86, 87, 87, 88, 88, 88, 87, 86, 87, 88 a. 2 b. 6 c. 10 d. 12

Identify the initial amount a and the growth factor b in the exponential function. a(x)=680*4.3^x

What is the distance between a and b? round your answer to the nearest tenth. a coordinate plane is shown. point a is located at negative 1, 5, and point b is located at 4, 1. a line segment connects the two points.

What are the measures of angles a, b, and c? show your work and explain your answers. 25 points