Answer:
180 CDs
Step-by-step explanation:
So if Sam has 84 CDs, and the ratio from Sam to Alice is 7:8, we can do 84/7=12 so each number is equal to 12. Then we add up 7 and 8 and get 15, so we do 15*12 and we get 180.
Answer:
⊥
Step-by-step explanation:
d and b meet at a 90 degree angle ( as shown by the box)
The lines are perpendicular (⊥)
Answer:
3.85
Step-by-step explanation:
To find the absolute value, you are finding the magnitude of your value, so your answer would be the same value without the negative sign.
Answer:
A, B, and D
Step-by-step explanation: