Which expression is evaluated to -18-64

In a class, there are 12 girls. if the ratio of boys to girls is 5: 4 how many boys are there in the class

What is the value of the expression i 0 × i 1 × i 2 × i 3 × i 4? 1 –1 i –i

Afarmer has a large field that is x feet in length. he wants to fence in a rectangular section in the middle of the field , leaving a length of 100 feet of open field behind each end of the fenced rectangle.he also wants the width of the fenced-in space to be 100 feet less than its length. find the expressions to represent the length and width of the fenced section of the field