Which of the following is a prime number?

A. 81

B. 51

C. 91

D. 331

Which property is illustrated by the following statement? 6 + (2x+2z) = (6+2x) + 2z •Associative property of multiplication •Commutative property of multiplication •Inverse property of multiplication •Associative property of addition

If half of 5 = 3. If the same proportion holds, what is the value of 1/3 of 10?

Which equation is equivalent to 2x + 4a = 10 A. x = 5/4a B. x = 5 + 2a C. x = 10 - 4a D. x=5 - 2a

A rectangular piece of metal is 20 in longer than it is wide. Squares with sides 4 in long are cut from the four corners and the flaps are folded upward to form an open box.

Is 3 greater than - 2

Edison, Pedro and Karl ran a 5K race. Pedro finished two minutes before Karl. Karl finished one minute before Edison. Therefore, of the three, Pedro ran the 5K race the fastest. A. Inductive Reasoning B. Deductive Reaoning C.

If 4a + b = 12 than a =

If a zero is _, then the graph of its function only touches the x-axis at that zero. If a zero is _, then the graph of its function crosses the x-axis at that zero.

Where are all the lines of symmetry in a square?

How is he graph of y=-2x^2-5 different from the graph of y=-2x^2