Answer:
1. Element
2.empty set
3.subset
4.infinite set
5.null set
6.finite set
7.not an element
Step-by-step explanation:
It usually works to use the formula for the area of a trapezoid.
A = (1/2)×(b₁ +b₂)×h
where b₁ and b₂ are the lengths of the parallel bases, and h is the height (the perpendicular distance between the bases)
_____
This is one of several area formulas it pays to memorize.
Answer:
a i think
Step-by-step explanation:
Answer:
4.5
Step-by-step explanation:
To solve for the mean (average), you need to add together all the numbers then divide by how many numbers there are. In this case, there are 10 numbers.
2+7+5+4+3+3+5+5+6+5 = 45
45/10 = 4.5