For a card trick, Barry is using 15 cards from a deck. If each suit he uses has 4 numbered cards and c face cards, which expression shows how many suits he is using? A.
15 × 4 + c
B.
15 ÷ (4 + c)
C.
15 ÷ 4 + c
D.
15 × (4 + c)

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation:

square root of 36/6 = 2.449489743

square root of 16/6 = 1.632993162

square root of 6 = 2.449489743

the answer is square root of 16/6 because the square root of 36/6 is the same answer as square root of 6 = 2.449489743