Is the rate in part c a better deal than in call or talk time? rates in a and b are : 2.9 and 0.25​

Abox contains 1 plain pencil and 4 pens. a second box contains 5 color pencils and 5 crayons. one item from each box is chosen at random. what is the probability that a plain pencil from the first box and a color pencil from the second box are selected? write your answer as a fraction in simplest form.

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Agraph of a trapezoid can have diagonals with slopes that are negative reciprocals and two pairs of adjacent sides that are congruent, true or false, and why