291-186=105 (total earned through wages)
105/5=21
Therefore she worked 21 hours
Answer:
u =
⁰
Step-by-step explanation:
- As we know that the sum of interior angles of triangle is 180⁰.
So, according to the question :

Hence, the value of u is 3⁰.

Answer:

Step-by-step explanation:
-4x+7=15-2
subtract number 15-2
-4x+7=13
-4x=13-7
-4x=6
divide
x=-3 over 2
Answer:
should be 18....
Step-by-step explanation: