**Answer:**

-8

**Step-by-step explanation:**

.

**Answer:**

7,859.92

**Step-by-step explanation:**

Add up the additions starting with what she started off with in the bank and subtract 4,200.00

**Answer:**

area of minor sector qr=140/360×πr²=140/360×22/7×3²=11yd²

**Answer:**

50

**Step-by-step explanation:**

opposite angles are equal so 50 is corresponding with x

<span>20(−1.5r + 0.75)

here, you need to distribute the "20" to the inside of your parentheses. you'll be multiplying 20 and -1.5 first:

-30r

then 20*0.75 second:

-30r + 15 is your expanded expression. you can't combine like terms any further.</span>