Solve the inequality and graph the solution on a number line.x2 - 4x - 5 ? 0
A. 
B. 
C. 
D. 
Answer: C
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Solve the problem.Consider the following simplified digital photograph that has a 3 × 3 grid with four gray levels numbered from 0 to 3. It shows a letter Y in white on a black background.
Let A be the 3 × 3 matrix that represents this figure digitally. Find the matrix B for which B - A represents the negative image of the picture represented by A.
A. 
B. 
C. 
D. 
Write the rate as a simplified fraction. Then write the rate in word form.488 students for 40 teachers
A. 
61 students for every 5 teachers
B. 
61 students for every 40 teachers
C. 
488 students for every 5 teachers
D. 
61 teachers for every 5 students
Find an equation for the parabola with vertex at the origin.Through (9, 9), symmetric with respect to the y-axis
A. y = 9x2
B. y = 
x2
C. x = 
y2
D. x = -9y2
Simplify the expression. Express the answer so that only positive exponents occur. Assume that all variables are positive.
A. 
B. x201/140
C. 
D. x121/140