Which term best represents the intersection of two pages of an open book?

a. line

b. plane

c. angle

d. point

Anyone know? is appreciated! will mark brainliest if correct!

Frank has a devised a formula for his catering business that calculates the number of meatballs he needs to prepare. the formula is m=4a+2c, where c=number of children; m=number of meatballs; a=number of adults. how many meatballs are required for a party of 10 adults and 5 children?

You are riding your bike and notice the square sign above. you mentally draw a straight line from point a to c. describe the angle relationship between dca and bca