Write an equation that represents the following word problem. Jackie has four more apples than Mark and together they have twelve apples. How many apples do each Jackie and Mark have? A. a + (a - 4) = 12
B. a + (a + 4) = 12
C. both of these would work
D. neither of these would work

The value √10 and √15 are plotted on the number line

You are making a battery for a science project. you have copper wire for your first electrode. you need to choose a conductor, a second electrode, and a device to plug into your battery. you have already chosen a lemon conductor. complete each statement below about the options that include a lemon conductor.

Aplane is taking off from bangladesh headed to new york city. at the same time, a plane from new york city is headed to bangladesh is also taking off. the plane bound to new york city is traveling at 600 mph, while the plane traveling to bangladesh is traveling at 400 mph. how far from new york city will the two planes meet if the distance between new york city and bangladesh is 8,000 miles?