Diameter (meters) nucleus of an atom
7.2 x 10-15
insulin molecule
red blood cell
X
5.3 x 10 9
8.4 x 10-6
2.4 x 10-3
3.5 x 10
grain of sand
Moon
Sun
1.4 x 10°
1.54 x 1021
Milky Way galaxy

(note i put the graph in so plz )the graph shows the amount of water that remains in a barrel after it begins to leak. the variable x represents the number of days that have passed since the barrel was filled, and y represents the number of gallons of water that remain in the barrel. what is the slope of the line

Write numerical coefficient of y² in the expression 2x² - 15xy – 7y²

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. how many hours after the truck's departure will the two meet?