Factor.t2 + 0.2t - 0.15
A. (t + 0.1)2
B. (t + 0.15)(t - 1)
C. (t + 0.5)(t - 0.3)
D. (t - 0.5)(t + 0.3)
Answer: C
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Multiply or divide.(-12)(-8)
A. 104 B. -108 C. 108 D. 96
The ? shape in the figure below is shown using 9 pixels in a 3 × 3 grid. The color levels are given to the right of the figure. Use the matrix 
that represents a digital photograph of the ? shape to solve the problem.
Using the same color levels from the instructions, write a 3 × 3 matrix A that represents the letter L in dark grey on a white background. Then find a 3 × 3 matrix B so that A + B lightens only the letter L from dark grey to light grey.
A.
A = 
; B = 
B.
A = 
; B = 
C.
A = 
; B = 
D.
A = 
; B = 
Solve.Find the difference of 954 and 99.
A. 1053 B. 847 C. 755 D. 855
Evaluate without using a calculator by using ratios in a reference triangle.cot 120°
A. 
B. -1
C. - 
D. - 