Asection in a stained glass window is shaped like a trapezoid. the top base is 4 centimeters and the botttom. base is 2.5 centimeters long. if the are of the section of glass is 3.9 square centimeters, how tall is the section?

2a+7+4ahow many terms? how many variables? any like terms? yes noif yes, which ones? what are the coefficients? any constants? yes noif yes, which ones? simplify the expression by combining like terms and constants: how many terms now?

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

Indicate the formula for the following conditions: p^c(n,r)=