**Answer:**

57 mph

**Step-by-step explanation:**

were tryin to find its speed in the terms of mph which is miles per hour, so we need to find out how many miles it goes in a hour, so we divide 399 mph by 7 hours to get 57 mph.

Answer:

The first choice is correct

Step-by-step explanation:

$32.00 x 15% = 4.80. 32.00-4.80=27.20. Another way to work it is the first choice, subtracting 15% from 100% and then multiplying 85% by $32.00. Same answer

**Answer:**

The asnwer is 19

**Step-by-step explanation:**

Answer is

<span>C) y = -2x + 3 </span>

when x = 0, y = 3

when x = 1, y = -2(1) + 3 = -2 + 3 = 1

when x = 2, y = -2(2) + 3 = -4 + 3 = -1

solutions matched the table above