If two circles,O and O', intersect in two points, A and B, then the line
is __________________.
What will be an ideal response?
perpendicular bisector of AB
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Solve the problem.Ken is 6 feet tall and is walking away from a streetlight. The streetlight has its light bulb 14 feet above the ground, and Ken is walking at the rate of 1.6 feet per second. Find a function, d(t), which gives the distance Ken is from the streetlight in terms of time. Find a function, 
, which gives the length of Ken's shadow in terms of d. Then find 
.
A. (S ? d)(t) = 0.88t B. (S ? d)(t) = 1.52t C. (S ? d)(t) = 1.2t D. (S ? d)(t) = 2.7t
Find the measure of the unknown angles. Figures are not drawn to scale.
Find the measure of ?x.
A. 61° B. 56° C. 116° D. 151°
Find the slope of the line using the concept of rise over run.
A. 3
B. 
C. -3
D. 
Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.x2 + 9x + 20 ? 0
A. [-4, ?)
B. (-?, -5] ? [-4, ?)
C. [-5, -4]
D. (-?, -5]