Given oblique △abc

use the properties of right triangles and △abc to prove the law of sines.
find the length of bc, rounded to the nearest tenth of a unit.
in your final answer for parts a and b, include all of the necessary steps and calculations.

Amanager recorded the number of bicycles sold by his company each quarter. his projected sales after t years is given by the expression below. which of the following statements best describes the expression? a. the initial sales of 575 bicycles increases at the rate of 4% over 4 quarters. b. the initial sales of 575 bicycles increases at the rate of 18% over 4 years. c. the initial sales of 575 bicycles increases at the rate of 4% over t quarters. d. the initial sales of 575 bicycles increases at the rate of 18% over t years.

What is the area of the original rectangle? 8 cm² 20 cm² 25 cm² 40 cm²

The data set represents the ages of players in a chess club. 27, 34, 38, 16, 22, 45, 54, 60. what is the mean absolute deviation of the data set?