Somebody please help me! This is my question.

Evaluate 12.3p + 11.7r when p = 6 and r = 7.

And then it’s written like this.

12.3(_)+11.7(_)=_+81.9
=_

In the given figure ar(adf) =ar(cda) and ar(cdf) = ar(cdf). show that abdc and cdfe are trapeziums.

The final cost of a sale is determined by multiplying the price on the tag by 75%. which best describes the function that represents the situation?

Isuck at math ; ^; m a student solved this problem and said the answer is 3 feet. chase had a roll of ribbon that contained 7 7/8  feet of ribbon. he cut off one piece that was 3 5/8  feet long and another piece that was 1 1/4  feet from the roll. how much ribbon was left on the roll? is the student's answer reasonable? yes, the answer is reasonable. no, the answer is not reasonable. it should be about 2 feet. no, the answer is not reasonable. it should be about 13 feet. no, the answer is not reasonable. it should be about 4 feet.