If ΔPQR ∼ ΔBST which of the following proportions are true? I. PQBS=QRST II. PQBT=PRBS

III. STTR=BSBT IV. BTPR=STQR

A. I, II, III, IV

B. I, III, IV

C. I, II, IV

D. I, II, III

E. II, III, IV

answer: 7

step-by-step explanation:

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step-by-step explanation:

multiple all that

step-by-step explanation:

27×17

the answer would be d.

step-by-step explanation:

move all variables to the left side and all constants to the right side

(x−3)^2+(y−1)^2=16

this is the form of a circle. use this form to determine the center and radius of the circle.

( x − h ) 2 + ( y − k ) 2 = r 2

match the values in this circle to those of the standard form. the variable   r   represents the radius of the circle,   h   represents the x-offset from the origin, and   k   represents the y-offset from origin.

r = 4

h = 3

k = 1

the center of the circle is found at   ( h , k ) .

center:   ( 3 , 1 )

these values represent the important values for graphing and analyzing a circle.

center:   ( 3 , 1 ).

radius:   4