Consider the following system of equations r+2s+u=0
3r+2s+2u=-1
3r-s+3u=0
Jaime claims that (-2,1,0) is a solution to the system. Is Jaime correct? Justify your answer.

What is the equation in point slope form of the line that passes through the point (-1, -3) and has a slope of 4? y-1=4(x-3) or y+3=4(x+1)

Danielle has $127.02 in her account before making any transactions. over the course of a week, danielle makes the following transactions: transaction debit ($) credit ($) birthday check 75.00 night out 66.14 garage sale proceeds 121.58 charitable donation 42.25 doctor’s appointment 115.30 at the end of the week, how much money is in danielle’s account? a. $99.91 b. $27.11 c. $184.41 d. $142.16 select the best answer from the choices provided a b c d

What percent of 18 is 24? and plz explain thx.