Can someone please help me?! A middle school science teacher wants to conduct some experiments. There are 15 students in the class. The teacher selects the students randomly to work together in
groups of five.

a.
In how many ways can the teacher combine five of the students for the first
group if order is not important? (3 points)

b.
After the first group of five is selected, in how many ways can the teacher
combine five of the remaining students if order is not important? (3 points)

Me ! write an equation for the interior angles of this triangle that uses the triangle sum theorem

David is spreading mulch on a triangular area of his flower bed. the coordinates of the vertices of the area are (1, 3), (9, 3), and (4, 6). what is the area of the triangle if each square has an area of 3 square feet?

10 points? ? +++ me asap gabriella uses the current exchange rate to write the function, h(x), where x is the number of u.s. dollars and h(x) is the number of euros, the european union currency. she checks the rate and finds that h(100) = 7.5. which statement best describes what h(100) = 75 signifies? a) gabriella averages 7.5 u.s. dollars for every 100 euros. b) gabriella averages 100 u.s. dollars for every 25 euros. c) gabriella can exchange 75 u.s. dollars for 100 euros. d) gabriella can exchange 100 u.s. dollars for 75 euros.