Which expression can be written as 4 x (3 + 8)

a. 4 + (3 + 8)
b. ( 4x3) + (4 x 8)
c. ( 4 + 3) x ( 4 + 8)
d. 4 x 3 + 8

which set of numbers are orderd least from greatest

a. 7 -4 -7 0 -3 3
b. -3 -7 0 3 7 -4
c. -7 -3 0 3 -4 7
d. 7 -4 3 0 -3 -7

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?