I’m failing please help The seventh- and eighth-grade classes surveyed 180 of their classmates to help decide which of three options is best
to raise money for school activities. Some results of the survey are given here:
.
• 66 participants preferred having a car wash.
50 participants preferred having a bake sale.
64 participants preferred having a talent show.
• 98 participants were seventh graders.
• 16 seventh-grade participants preferred having a talent show.
• 15 eighth-grade participants preferred having a bake sale.
a. Complete the two-way frequency table that summarizes the data on grade level and options to raise money.

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Step-by-step explanation:

the correct option is 2.

step-by-step explanation:

according to the given information triangle abc is a right angle triangle with right angle at a. segment ab is 5 and segment ac is 7. point d is on segment bc and angles adb and adc are right angles.

it is given that triangles abd, cad, and cba are similar.

two triangles are similar if their corresponding sides are proportional.

in triangle cba, using pythagoras theorem

                      )

triangle abd and cba are similar,

                            (2)

triangle cad and cba are similar,

                      )

using (1), (2) and (3), we get

hence proved.

therefore option 2 is correct.