In it 34/50 of the coins are quarters what percent of the coins are quarters

What is the slope of the line passing through the points (-5, 7) and (-3,5)?

Im so bad at fractions they are not my best math thing to work on

Amayoral candidate would like to know her residents’ views on a public open space before the mayoral debates. she asks only the people in her office. her co-workers are an example of a census population convenience sample simple random sample