A football team consists of 15 freshmen and 15 sophomores, 15 juniors, and 8 seniors. Four players are selected at random to serve as captains. Find the
probability that there are 2 sophomores and 2 freshmen.

Idont get this question can someone me solve it? ** the distance light travels in one second (1 light second) is about 1.86 ×10^5 mi. saturn is about 475 light-seconds from the sun. about how many miles from the sun is saturn..my guess is 8.83* 10^7 you so much

Solve the equation: x - 9 = -6 + 5 a. 21 b. 7 c. 14 d. 2

Can someone plz me understand how to do these. plz, show work. in exercises 1-4, rewrite the expression in rational exponent form.[tex]\sqrt[4]{625} \sqrt[3]{512} (\sqrt[5]{4} )³ (\sqrt[4]{15} )^{7}\\ (\sqrt[3]{27} )^{2}[/tex]