When competing the square, you want to have

at the end, and using the fact that the x term and coefficient are really

, we see that the third option is the most efficient way to start
Add 5/9 to both sides. common denominator would be 72 so you would multiply the top and bottom of 3/8 by 9 (bc 9x8 is 72) to get 27/72. you would multiply top and bottom of 5/9 by 8 to get 40/72 and you would add 40+27 which equals 67 so x=67/72 i believe
Answer:
My answer is 215
Step-by-step explanation:
I multiply the 43 by 5 and get 215 for my answer
I’m assuming the question is to find the number of calls made? If so here’s how to solve it.
18 + 0.5x = 50.50
.05x = 32.50
x = 650
650 calls made.