Answer:
x-15
Step-by-step explanation:
Answer:
5a+5b
Step-by-step explanation:
Multiply each variable in the parenthesis by the number outside.
Hope this helps.
Answer:
30 degrees.
Step-by-step explanation:
We are going to use two theorems: Triangle Sum Theorem and Vertical Angles Theorem. Please let me know if you need me to define them.
Here is how I solved this problem:
75+75 = 150.
180-150 = 30(Triangle Sum theorem)
x = 30(Vertical Angles theorem.)
Answer: He bought 7 pens.
Step-by-step explanation:
21/3 = 7
I think it is C
Hope this help you