Answer:
A. 20%
Step-by-step explanation:
These events are independent, because if David eats a healthy breakfast cannot influence on would be rain or not.
"And" for probabilities of independent events means "x" (times).
80% = 0.8
25% = 0.25
0.8*0.25 = 0.2 = 20%
Answer: neither
Step-by-step explanation: because 64 kg and 640000g are equal masses.
9=3^2
3^(2x)=(3^2)^(3x-4)
3^(2x)=3^(6x-8)
2x=6x-8
0=4x-8
8=4x
2=x
Distance = 500 miles
Distance of automobile = 10r
r = 50
Distance = 10 x 50 = 500 miles