Answer:
-2
step by step
(-3)^3-5(-3)+7-((2(-3)-3))
-27+15+7-(-6-3)
-27+15+7-(-3)
-27+15+7+3
-27+25
=-2
Answer:
B.
Step-by-step explanation:
You can infer from the graph that, on average (which refers to mean), the scores in the post-test have increased in comparison to the scores on the pre-test.
Expanding the left side gives
which gives two solutions,
and
. But if
, then
, but this number isn't real, so
is an extraneous solution. Meanwhile if
, you get
, so this solution is correct.
"Potential solutions" might refer to both possibilities, but there is only one actual (real) solution.
Answer:
4200 the answer is d. kilo is 1000
