Answer:
if it rains 7 out of 10 days the chance of rain for one day is 70%
Step-by-step explanation:
Answer: A and D
Step-by-step explanation:28 x 43=860
20 x 3=60
860-60=800
20 x 40=800
all of this equals 860
5 used phones and one new phone 75 x 5 + 250 = 625
Answer:

Step-by-step explanation:
The distance (d) between two points in 3 dimensions is ...
d = √((x2 -x1)² +(y2 -y1)² +(z2 -z1)²)
Then the distance between (a, -b, -4) and (0, 0, 0) is ...
d = √((a -0)² +(-b -0)² +(-4 -0)²)
= √(a² +b² +16)
15/2 please Mark my question as brainliest