Answer:
he needs 17 square inches of shelf paper because he only need to cover the top part
Step-by-step explanation:
A=2AB+(a+b+c)h
AB=s(s﹣a)(s﹣b)(s﹣c)
<u>s=a+b+c</u>
2
<span>4x+2y=10
x-y=13
x=13+y
4(13+y)+2y=10
52+4y+2y=10
52+6y=10
6y=-42
y=-7
x=13+y=13-7=6
</span>
Answer:
60
Step-by-step explanation:
During the past 100,000 years, there were at least 60 glacial periods.
Answer:
(-3, 19)
Step-by-step explanation: