The sets
a
and
b
are defined as follows.
=a> vv2
=b≤vv6

write
∩ab
and
∪ab
using interval notation.
if the set is empty, write
∅

Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)