Determine what the next equation would be, and verify that it is indeed a true statement.9 × 9 = 8199 × 99 = 9801999 × 999 = 998,001
A. 999 × 9999 = 99,980,001
B. 9999 × 9999 = 999,001
C. 9999 × 9999 = 99,980,001
D. 9999 × 9999 = 1,000,001
Answer: C
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In the strip of rectangles shown, a certain rigid motion applied to the leftmost rectangle takes the figure to the next rectangle. Apply the same motion, but to the second rectangle, to draw the image of the second rectangle in the third rectangle. Continue to use the same motion to fill in the successive rectangles.
A. 
B. 
C. 
D. 
The two triangles below are similar. Find the missing lengths.
A. x = 4 B. x = 6 C. x = 3 D. x = 9
Find the product. Assume all variables have non-negative values.(
+ 
)(
- 
)
A. 5 - z
B. 5 - 2
C. 5 - 2
D. 5z
Translate the sentence into an equation. Use x to represent the unknown number. Do not solve.Eight times a number is equal to the sum of four times the number and 19.
A. 8x = 4x + 19 B. 8x = 4(x + 19) C. 8x = 4 + 19x D. 8x + 19 = 4x