Simplify each expression. justify each step. 9(2x) (10p)11 (2+3x)+9 1.1+(7d+0.1) 1.5mn/m 33xy/3x

Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

Which shows the correct substitution of the values a,b and c from the equation 1=-2x+3x^2+1