Answer:
-12
Step-by-step explanation:
if you use substitution
2*-5+2-4
-10+2-4
-8-4
-12
Answer:
A is the only possible correct answer since the center of that shape is x =-1
Answer:

Step-by-step explanation:
Given

Required
Express as a single expression
We have:

Write 7 as an exponent

Rewrite as:


Apply quotient and product rule of logarithm

Apply law of indices

Solve exponent



The Figures that are shown in the diagram are
Ray CD
and
Segment CD