Answer: y = -x + 7
Step-by-step explanation:
The slope is
, so we know the equation is of the form
.
Substituting in the coordinates (1,6) to find b,

Thus, the equation is y = -x + 7
Sqrt(80) = Sqrt(16) x sqrt(5)
= 4 x sqrt(5)
Answer:
Find the area by multiplying the base by the height. From the problem, the length (base) of the rectangle is 5 units. The height of the rectangle is

inches. Multiply to find the area.

The area of the rectangle is 17 1/2 units squared. The answer you provided is correct!
Answer:
C. Paid $2.60 too much
Step-by-step explanation:
Gas 12 x 2.89 = 34.68
granola 2 x 1.59 = 3.18 x 1.075 = 3.4185
apple .89 x 1.075 = 0.95675
vitamin water 2 x 1.39 = 2.78 x 1.075 = 2.9885
34.68
3.4185
0.95675
+ 2.9885
---------------------
$42.04
$44.64
- $42.04
---------------------
$2.60