1 Use substitution to solve the system of linear equations. In your final answer, include all of your work.

{y=−3x+4x+13y=43

{y=+1/3y=4/3

WRITER

For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?

Plz answer asap! i will reward brainliest and 12 points for these three questions!take notice: these three questions are completely different! 1) what is the percentage of sugar in the syrup made of 10 kg of water and 4 kg of suugar? 2) what was the original price if after 10% discount it became $450? 3) at first a price was decreased by 12%, then it was disounted again by an additional 5%. what is the percent of the total discount? , and remeber i will award brainliest and 12 points!

Using the rise/run counting method, the slope of the line is