Convert the units using two or three unit fractions.7200 sec =  day

A.  
B. 7 
C.  
D.


Answer: C

Mathematics

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Use a tree diagram to solve the problem. There are 3 cards in a hat; one is a King (K), one is a Queen (Q), and one is an Ace (A). Sarah pulls out two cards at random. Use a tree diagram to list all the possible card combinations Sarah could pull.  

A. KKQ, KKQ, QAK, AQ A  B. KQA, QKA, AKQ   C. KQ, KA, Q K, Q A, A K, A Q   D. KK, K Q , KA, Q K , Q Q , Q A, AK , AQ , A A 

Mathematics

Multiply.5(-6)(-6)

A. -180 B. 190 C. 180 D. -60

Mathematics

Solve the system by graphing.y = x2 - 6x + 9x + y = 3

What will be an ideal response?

Mathematics

Find the center, foci, and vertices of the ellipse. +  = 1

A. center at (1, -3)
foci at (1 + , 1), (1 - , 1)
vertices at (4, -3), (-4, -3)
B. center at (1, -3)
foci at (- , -3), (, -3)
vertices at (4, -3), (-4, -3)
C. center at (-3, 1)
foci at (-3 + , 1), (-3 - , 1)
vertices at (-3, -3), (5, -3)
D. center at (1, -3)
foci at (1 + , -3), (1 - , -3)
vertices at (-3, -3), (5, -3)

Mathematics