Answer:
B. 7/30
Step-by-step explanation:
1st time to pick red is 8/16 8 red cubes out of 16 are red
2nd time to pick red is 7/15 7 red cubes out of 15 are red,
*if one red is picked already
8/16 x 7/15 = 7/30
0.375 , I think that’s right lol
Answer:
-22
Step-by-step explanation:
We need to multiply the following:

First, we need to FOIL out this expression, then we can simplify it

Answer:
1. 115; obtuse
2. 130; obtuse
3. 50; acute
4. 108; obtuse
Step-by-step explanation: