The math club is doing a fundraiser to raise money to attend a math competition. the club was told by their advisor to raise $2000, but they decided to raise $4000. the club is selling " i like tt" t-shirts for $10 and "i like tt" sweaters for $20. let x equal the number of t-shirts sold and let y equal the number of sweatshirts sold.
write a linear equation to represent raising $2000.

What is the difference between the equations of a vertical and a horizontal line?

Adecibel is a logarithmic unit that can be used to measure the intensity of a sound. the function y = 10logx gives the intensity of a sound in decibels, where x is the ratio of the intensity of the sound to a reference intensity. the reference intensity is generally set at the threshold of hearing. use the graphing utility to graph the decibel function. a whisper has a sound intensity of 30 decibels. use your graph to you complete the following statement. the sound intensity of a whisper is times the reference intensity.

Type the correct answer in the box. consider the system of linear equations below. rewrite one of the two equations above in the form ax + by = c, where a, b, and c are constants, so that the sum of the new equation and the unchanged equation from the original system results in an equation in one variable.