Solve the system of linear equations by elimination x+2y=13, -x+y=5

Jada has a monthly budget for her cell phone bill. last month she spent 120% of her budget, and the bill was 60$. what is jada’s monthly budget

G. how many different 6-letter arrangements can be formed using the letters in the word absent, if each letter is used only once? a. 6 b. 36 c. 720 d. 46,656

Given sin28.4=.4756, cos28.4=.8796, and tan28.4=.5407 find the cos of 61.6