Answer:
x = 10
Step-by-step explanation:
Breaking down the equation

Simplification

Answer:
C. 325.
Step-by-step explanation:
The last term a5 = 85
a1 = 45
Sum of n terms = n/2 (a1 + l)
So here we have n = 5, a1 = 45 and the last term l = 85
= (5/2)(45 + 85)
= 5/2 * 130
= 325.
Answer:
24=42
Step-by-step explanation:
Use PEMDAS!
The order of these statements are CADB