Write and simplify an expression for the difference between the perimeters of the figures

4d + 6c - 6

Step-by-step explanation: The perimeter of the rectangle is the sum of all 4 sides

perimeter = 2d - 3 + 3c + 2d - 3 + 3c = 4d + 6c - 6

26 is 33.33% of 78

step-by-step explanation:

26 is what percent of 78?

26 is p% of 78

equation: y = p% * x

solving our equation for p

p% = y/x

p% = 26/78

p = 0.3333

convert decimal to percent:

p% = 0.3333 * 100 = 33.33%

6(h+1)/2=a

a=area

step-by-step explanation:

its the same thing as a square or rectangle but after multiplying two sides you need to divide it by two.