For (not shown), tangent touches the circle at point of tangency T. How are radius and tangent

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What will be an ideal response?

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perpendicular

Mathematics

Add or subtract as indicated. Express the answer as a single polynomial in standard form.(-7x2 + 2) - (-x3 + 3x2 + 8)

A. -6x3 + 3x2 - 6 B. -6x3 + 5x2 - 8 C. x3 - 10x2 - 6 D. x3 - 4x2 + 10

Solve the formula for the specified variable.A = bh for b

A. b = 
B. b = 
C. b = 
D. b = 

Find the focus and the directrix of the parabola.-2y2 - 4y + 3 - x = 0

A. Focus: (-9, 5); directrix: x = -11
B. Focus: ; directrix: x = 
C. Focus: ; directrix: y = 
D. Focus: ; directrix: x = 

The graph of a system of equations is shown. Give the type of system (consistent, inconsistent, or dependent) and the number of solutions. If there is only one solution, give the solution.

A. Dependent B. Inconsistent C. Consistent, (-3, 4) D. Consistent, (3, 4)