David spent $13 of the $20 that is in his wallet. What percentage is equivalent to the amount David spent?

Idon’t understand this.. will someone ? will mark brainliest along with 20 points.

Write the fraction 9/50 as a decimal if needed round to the nearest hundredth

Choose the equation below that represents the line that passes through the point (2, 4) and has a slope of 3. a) y − 4 = 3(x − 2) b) y − 2 = 3(x − 4) c) y + 4 = 3(x + 2) d) y + 2 = 3(x + 4)