8-13= -5 //hope this helped :)
Used by counting, the number line helps you count steps forward/backwards. You can count from the number you're on, (34) and then go go backwards 28 times.
Answer:I’m pretty sure it’s 6 correct me if I’m wrong
Step-by-step explanation:
Base = x
height = x-4
Area = .5 * height * base
48 = .5 * (x-4) * x
96 = x^2 -4x
x^2 -4x -96=0
x = 12
base = 12
height = 8