Answer:
that box means the angle is 90 degrees.
Step-by-step explanation:
if you need anymore help just message me
57 at 7.oo dollars is 399 so he bought 1 more at 1 dollar
Step-by-step explanation:

Yes- though we may say "When will we ever use this?" ever so often in class, the reality is that we use mathematics in everyday life. From simple addition, to factoring, to finding the angles of various components to a building, math is always being used in real life.
Answer:
months you can purchase with the gift certificate.
Step-by-step explanation:
Given
You have a gift certificate for $30.
Step 1 of 1
The plan you select costs $5 per month.



Learn more about purchase, refer :
brainly.com/question/12308255