Answer:
i believe it is 5 right and 7 up; hope this helped :)
Answer:
x^2 +8x+15
Step-by-step explanation:
(X+3)(x+5)
FOIL
first x^2
outer 5x
inner 3x
last 15
Add together
x^2 +5x+3x+15
x^2 +8x+15
Answer:
d
Step-by-step explanation:
Answer:
AB = 60
Step-by-step explanation:
Given AC = 75 and AB = 4BC, then
AB + BC = AC, that is
4BC + BC = 75
5BC = 75 ( divide both sides by 5 )
BC = 15
Thus
AB = 4BC = 4 × 15 = 60