Answer:
x = 21
Step-by-step explanation:
7x - 3 + 2x - 6 = 180 {Linear pair}
7x + 2x - 3 -6 = 180 {combine like terms}
9x - 9 = 180
9x = 180+ 9
9x = 189
x = 189/9
Line 2 and Line 4 are perpendicular
Line 2: y=1/5x−3
Line 4: y+1=−5(x+2)
6
Explanation:
8 x 6 = 48
48 ÷ 6 = 8
18.75 is the new price
Answer: 1 true 2 false
Step-by-step explanation: Sorry I’m kinda rusty if you get it wrong