For triangle xyz , the measures of angles x, y, and Z are known. Which method should be used to start solving triangle xyz? law of sines
law of cosines
neither law can be used
both laws can be used

What is the number 321,000,000 in scientific notation? also what is the number? ?

Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.

Sanderson is having trouble with his assignment. his shown work is as follows: − 3 7 7 3 = − 3 7 × 7 3 = − 21 21 = −1 however, his answer does not match the answer that his teacher gives him. complete the description of sanderson's mistake. find the correct answer.