Answer:a
Step-by-step explanation:The temperature rose by 80 so up the number line and dropped 20 so down the number line to 60
The possible answers are 15,5 and 10,10
Answer:
x = 30
Step-by-step explanation:
15 = 1/2x
multiply both sides of equation by 2
30 = x
Answer:

Step-by-step explanation:
= 3^1/2 x 3^1/5 = 3^(1/2 +1/5) = 3^7/10