Answer: C) Lindsey spent a total of $47 on her mother for her birthday. She bought a $35 box of chocolates and some balloons for $4 each. What is x, the number of balloons that Lindsey bought for her mother's birthday?
Step-by-step explanation:
The draws are independent, so

There is a total of 11 marbles in the bag, so

and

So

Answer:
Step-by-step explanation:
this triangle is regular one
- we can't apply the pytahgorian theorem 5²+6²≠7²
- the angles have different sizes 75≠60≠45
- the sides have different lengths 5≠6≠7