-5a^2 - 7a = -a x (5a + 7)
let me know if you have any other questions
:)
False, the bystander effect is where people will not offer help if many people are nearby.
The events are not independent.
The probability of selecting a football card and a basketball card is 0.16.
<h3>What is the probability?</h3>
Probability is the odds that an event would happen. The probability the event occurs is 1 and the probability that the event does not occur is 0.
The probability of selecting a football card and a basketball card = (number of football cards / total number of cards) x (number of basketball cards / total number of cards)
2/10 x 8/10 = 0.16
To learn more about probability, please check: brainly.com/question/13234031
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