Area=1/2 times bas time height
given that area=10
height=5
find base
10=1/2 times base times 5
times 2 both siddes
20=base times 5
divide oth sides by 5
4=base
the base is 4m
15x4y2 letter B is your answer
2 x -6 equals 0. add 6 to both sides. divide both sides by two. x equals 3
