Answer:

This is rlly confusing

Step-by-step explanation:

**Answer:**

9+10=19 l.m.a.o

**Step-by-step explanation:**

And I subscribed

**Answer:**

sales tax= 9 %

**Step-by-step explanation:**

sales tax= cost x %tax

38.70 = 430 x %tax

%tax = 38.7/430 = 0.09 = 9 %

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**Answer:**

28

**Step-by-step explanation:**

find the un-shaded region by doing 2*6.8 = 13.6

then find the whole area by doing 8*5.2 = 41.6

then do **41.6 - 13.6 = 28**

**Answer: 21/63, or simplified, 1/3**

**Step-by-step explanation:**

Result

3

7

×

7

9

=

3 × 7

7 × 9

=

21

63

=

21 ÷ 21

63 ÷ 21

=

**1/3**