Answer:

Step-by-step explanation:
√a^4 is the same as:
√a × √a × √a × √a
group them as 2 pairs of
(√a × √a) × (√a × √a)
which makes
a × a
which is the same as 
Segment BD equals 12<span />
Answer:
Function 1 is linear
Step-by-step explanation:
A linear is a straight line on the graph.
Answer:
4
hours
i hope that helped
Step-by-step explanation:
Answer:
28 degrees
Step-by-step explanation:
Since the lines are parallel this means that angle BEF and angle ABE are equal because they are alternate interior angles. We are given a right angle which measures 90°. This means we can do 118°-90° to give us angle ABD. This means that angle ABD is 28°.