Find the discount for a $200 item on sale for $150

Which rational number could be graphed between -4 and -5

Factor the polynomial. b^2 + 4b + 4

The value of x in this system of equations is 1. 3x + y = 9 y = –4x + 10 substitute the value of y in the first equation: combine like terms: apply the subtraction property of equality: apply the division property of equality: 3x + (–4x + 10) = 9 –x + 10 = 9 –x = –1 x = 1 what is the value of y?