Which is the best first step when solving the following system of equations? x+y=3 and 4x-y=7 i need answer asap a. multiply the first equation by 4. b. add the first equation to the second equation. c. multiply the second equation by -1 d. subtract the second equation from the first equation.

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?

Which number completes the system of linear inequalities represented by the graph? y> 2x – 2 and x + 4y 2 et 2 3 4

1. find the area of the unshaded square 2. find the area of the large square 3. what is the area of the frame represented by the shaded region show