Answer:
42
Step-by-step explanation:
(1 + 6) × 12 ÷ 2 = 42
area of a trapezoid:
Concept: Probability
÷
= *
=
Answer: 5 days
9514 1404 393
b, c, d, e, f
x ∉ A . . . . . not true, x is in A
x ∈ B . . . true
x ∉ C . . . true (x is outside the circle labeled C)
x ∈ A ⋃ B . . . true
x ∈ A ⋃ C . . . true
x ∈ A ⋂ B . . . true (x is in the overlap)