Help ASAP 39 points pic below

Describe all the numbers that when rounded to the nearest thousand are 645,000

Which values of p and q result in an equation with exactly one solution? px-43=-42x+q choose all answers that apply: a) p=-43 and q=-43 b) p=42 and q=43 c) p=43 and q=−42 d) p=42 and q=42

What are the digits that repeat in the smallest sequence of repeating digits in the decimal equivalent of 24/11?