Solve the problem.Consider the following simplified digital photograph that has a 
grid with four gray levels numbered from 
It shows a letter Y in dark gray on a white background.
Let A be the 3 × 3 matrix that represents this figure digitally. Find the matrix A.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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List the terms of the expression.10x + 4y
A. 10, 4 B. 10x, 4y C. 10x, -4y D. 10, x, 4, y
Mathematics
For the given graph, write the inequality in set-builder notation and interval notation.
A. {x|x ? -3 or x < 1}, [-3, 1) B. {x|x > -3 or x ? 1}, (-3, 1] C. {x|-3 ? x < 1}, [-3, 1) D. {x|-3 < x ? 1}, (-3, 1]
Mathematics
Add or subtract as indicated. Simplify, if necessary.
- 
A. 
B. 1
C. 
D. 17
Mathematics
Use the order of operations to evaluate 4 2 – 3 * 4 ÷ 2 + 3.
a.13 b. 7 c. 29 d. 9.5
Mathematics