Plz hellppp 10 points!! Select the correct difference.
5d^2 + 4d-3 less 3d^2-2d+4
answers:
a. 2d^2+2d+1
b. 2d^2+6d+7
c. 2d^2+6d-7
d. -2d^2-6d+1

When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer

Give the equations of two different lines that are perpendicular to the line 3x + 4y = 7.

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?