Can someone with 13,14,15,and 16 will mark brainliest answer for the person who answers first and it has to be correct

Fractions can be added and subtracted only if they're fractions. a. like b. proper c. improper d. unlike

How do i do this? i don’t understand

Aplot of land is shaped like a quadrilateral. fences are built on the diagonal to divide the area into 4 sections. what is vi to the nearest tenth? gv = 6.55fv = 5.84vh = 3.27vi = ?