Using to represent the diameter of the circle, write an algebraic equation that will result in the perimeter of a semicircle. Perimeter =
Use "pi" to write π in your answer. For example, "3pi".
Use parenthesis in your answer if needed.

Acommunity group sells 2,000 tickets for its raffle. the grand prize is a car. neil and 9 of his friends buy 10 tickets each. when the winning ticket number is announced, it is found to belong to neil's group. given this information, what is the probability that the ticket belongs to neil? a.1/5 b.1/10 c.1/200 d.1/4

Ageologist had two rocks on a scale that weighed 4.6 kilograms together.rock a was 0.5 of the total weight.how much did rock a weigh?

Aline that intersects one of two parallel lines intersects the other also always sometimes never