Which statements must be true about the reflections of ΔXYZ across ↔MN? Select 3 options. M∠X'Z'Y' = 90°
M∠MCY = 90°
Line XX' ≅ line YY'
Line BZ' ≅ line BZ
Line BZ' ║line X'Y'

I'll do the first one for you. it isn't very hard at all.on number one, you have (50 × 3), which equals 150, and (3 × 3), which equals 9. after you establish that, you add 150 and 9 together. so, (150 + 9) equals 159.this means that 53 × 3 = 159.

7p=14 so then you would divide by p=2