Maria spins a penny 100 times and it lands head side up 62 times. Explain why Maria's experimental probability may be different from the theoretical probability of spinning a coin.

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

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

Which statement shows the associative property of addition? A. If m + 3 = 18, then 18 = m + 3 B. (u + 7) + 13 = u + (7 + 13) C. 21 + 2y = 2y + 21 D. 3 · (5 · x) = (3 · 5) · x