The statement of the question tells us that 45% of the customers getting an oil change will have their car tires rotated. Therefore:
probability of both = 0.7 x 0.45
= 0.315
= 31.5%

It tells you that over these intervals the balloon is going at a constant speed.
It would be 3 cm by 4 cm because you just divide the number of feet by 4.
Answer:
A
Step-by-step explanation:
the other options are constants, option A is the only option that would just be represented by a whole number