Answer:
59
Step-by-step explanation:
D
Divide the whole thing by 2
2(X^2+8x-5)
X^2+8x. =5
Half of 8 is 4 sq it so you add 16
X^2+8x+16= 5+16
(X+4)^2=21
Answer:5
Step-by-step explanation:
If 50 students prefer vanilla ice cream then 259 students were surveyed.