How many solutions does x+3y=-1 and -2x - 6y=2 system have

What is the standard form of -5x^2+2x^4-11+x^3+3x

How do you convert 1.27 to a percentage

Adriana sold 50 shares of a company’s stock through a broker. the price per share on that day was $22.98. the broker charged her a 0.75% commission. what was adriana’s real return after deducting the broker’s commission? a. $8.62 b. $229.80 c. $1,140.38 d. $1,149.00