Solve the problem.A number decreased from 957 to 785 Find the amount of decrease.
A. 1129
B. 685
C. 172
D. 781
Answer: C
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Choose the expression which is equivalent to the given expression.
A. sin 2° B. cos2 2° C. tan 2° D. sin2 2°
Give the coordinates of the vertex and graph the equation in a window that includes the vertex.y = -x2 - 4x - 3
A. Vertex: (-2, -1)
B. Vertex: (-2, 1)
C. Vertex: (2, 1)
D. Vertex: (-0.5, 3.25)
Solve the problem.Linda invests $25,000 for one year. Part is invested at 5%, another part at 6%, and the rest at 8%. The total income from all 3 investments is $1,600. The income from the 5% and 6% investments is the same as the income from the 8% investment. Find the amount invested at each rate.
A. $10,000 at 5%, $5,000 at 6%, $10,000 at 8% B. $5,000 at 5%, $10,000 at 6%, $10,000 at 8% C. $8,000 at 5%, $10,000 at 6%, $7,000 at 8% D. $10,000 at 5%, $10,000 at 6%, $5,000 at 8%
Find an equation of the tangent line to the curve 
What will be an ideal response?