(plz ! 50 points! ) what is the length of the line segment pq on the coordinate grid? (a) 10 units (b) 20 units (c)30 units (d)50 units

Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?

On a piece of paper, graph y< x+1. then determine which answer matches the graph you drew.

Acar started driving from city a to city b, distance between which is 620 miles, at a rate of 60 mph. two hours later a truck left city b and started moving towards city a at a rate of 40 mph. what distance from city a is the point where the truck and the car will meet?