Answer:
a rightangle triangle
Step-by-step explanation:
because 72+18=90 degrees
when a side is 90 degrees in a triangle, it is right-angled.
hope this helps you!!
Ok so the first one is
1.x=135
2.x=-23
3.x=3
4.x=70
Answer:
Nick needs to buy 3 packs.
Step-by-step explanation:
If Nick buys 3 packs he will have 18 cards. If he uses 15 of them he will have 3 left over. If he only bought 2 packs he would be 3 cards short of the amount he really needed.
Yes it is a rational number
