Answer:
1-15. a: b: 42 tiles. Add 4 tiles to get the next figure. 1-16. a: x = 0 b: all real ... 3-78 does, possible response: the b in its equation is 3 versus 1 in problem 3-79. ... If x is the age of the van, then x + (x + 17) = 41 or if x is the age of the truck, then.
Step-by-step explanation:
