Answer:
<em>(a) 47° </em>
Step-by-step explanation:
360° - (135° + 110° + 68°) = 360° - 313° = <em>47°</em>

<h3>Given:</h3>

The
states that an expression that is given in the form of
can be solved as
. So:


▪ 



Answer:
-4 or -3
Step-by-step explanation:
Calculate the determinant:
D = b^2 - 4ac = 49 - 48 = 1
Apply the formula:
x = (-b +- sqrt(D))/2a = (-7 +- 1)/2 = -4 or -3
Answer:
4.8 miles per hour.
Step-by-step explanation:
Average speed=Total distance/Time taken
=26.2miles/5.5hour
=4.8 miles per hour
5 of Anne’s pens still have ink. Since 23 of the 28 pens ran out, 5 pens are still good to write with.
Hope this helped!