Answer:
scale factor = 4
Step-by-step explanation:
The scale factor is the ratio of OA' to OA , that is
scale factor =
=
=
= 4
Answer: 
Step-by-step explanation:
According to the information provided in the exercise, the prices of each item he wants to purchase in the sporting goods store are:

Therefore you need to add these prices to solve this exercise. The sum will be the total cost for these three items.
You get that the sum is:

Then, the three items that Cisco wants to purchase will cost $73.43.
Answer:
x = -30
Step-by-step explanation:
Answer:
B. They say that doing homework leads to his success in school.
Step-by-step explanation:
Looking at the answers, C and D already make sense, so they're not the answers. The answer A does not have an unclear antecedent because "my mom and me" would not be written as "my mom and I". B is the only answer left. If you look at the sentence, it begins with "they", and it ends up saying "his success in school". This sentence includes a confusing antecedent because the sentence does not define the person who it is describing.
Sorry if this explanation was confusing. I hope this helps! Have a great day!! C:
Answer:
-1/2 or -0.5
negative half
Step-by-step explanation:
slope of regular line= (y1-y2) / (x1-x2)
(27-3) / (4 - -8)
24 / (4+8)
24 / 12 = 2
the slope of a perpendicular line is the negative reciprocal
the negative reciprocal of positive 2/1 (2 as a fraction) is:
negative half: -1/2 or -0.5