There are 180 Degrees in a triangle, you know two, 90 and 79, so the last angle is 11
180-90-79=11
Answer:
<h2>E. x = 4</h2>
Step-by-step explanation:

Answer:
The proper answer is in the picture.
Step-by-step explanation:
<u><em>PLEASE MARK BRAINLIEST</em></u>
Step-by-step explanation:
At d, f'(x) is increasing (concave up), but it is not positive. The tangent line at that point has a negative slope.
Number of matchsticks required is 2. Rule which matchstick pattern is 2 x n.