Answer:
a = 4
Step-by-step explanation:
STEP 1) 4a - 16 = 4 • (a - 4)
Answer:
x=9
Step-by-step explanation:
The triangle is equilateral which means the sides are equal.
x+9 = 2x
Subtract x from each side
x+9-x = 2x-x
9 =x
A+(n-1)d=nth term
a----first term(260)
d----common difference(-52)
Hope it helps!!
100 - 5 is 95. So take the 95 and since you dont know the variable you add the N to the answer.
So the answer is 95n
