For questions 15-18, define variables, set up a system of equations, then solve. 15. The sum of two numbers is 58. If their difference is 28, find both numbers.
Variables:
Solve:
System:

Taking algebra two apex courses and need with these questions

When rolling 26 sided number cube what are the chances some of the role will be seven

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!