What is the exact area of a circle whose diameter is 24 cm?

a.
576 pi cm2

b.
144 pi cm2

c.
48 pi cm2

d.
24 pi cm2

Find the equation of a line whose slope is 2/5 and y- intercept is 2.write your answer in the form 1) ax+by+c=02) x/a+y/b=1

60 2(x + 2) in the diagram, gef and hef are congruent. what is the value of x?

Look at the figure below: triangle abc is a right triangle with angle abc equal to 90 degrees. the length of ac is 5 units and the length of ab is 4 units. d is a point above c. triangle adc is a right triangle with angle dac equal to 90 degrees and dc parallel to ab. what is the length, in units, of segment cd?