Debbie solved the linear equation 3(x+4)-2+16 as follow (line 1 ) 3(x+4)-2=16
(line 2) 3(x+4)=18
(line 3 ) 3x+4=18
(line 4) 3x=14
(line 5) x=4 2/3

she made an error between lines

a 1 and 5
b 2 and 3
c 3 and 4
d 4 and 5

The manufacturer of a new product developed the following expression to predict the monthly profit, in thousands of dollars, from sales of the productwhen it is sold at a unit price of x dollars.-0.5x^2 + 22x - 224what is represented by the zero(s) of the expression? a.the profit when the unit price is equal to 0b.the unit price(s) when the profit is equal to 0c.the profit when the unit price is greatestd.the unit price(s) when profit is greatest

Tom wants to order tickets online so that he and three of his friends can go to a water park the cost of the tickets is 16.00 per person there is also a 2.50 one-time service fee for ordering tickets online write an expression in term of n that represents the cost for n ordering tickets online

Sara can take no more than 22 pounds of luggage on a trip.her suitcase weighs 112 ounces.how many more pounds can she pack without going over the limit?