Choose the equivalent system of linear equations that will produce the same solution as the one given below.

6x + 2y = −6
3x − 4y = −18

a. 12x + 4y = −12
15x = −30
b. 8x + 4y = −4
14x = −10
c. 6x − 8y = −36
−6y = −42
d. 6x + y = 15
3y = 9

7friends share 4 pizzas equally how much pizza did each friend get

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

When steve woke up. his temperature was 102 degrees f. two hours later it was 3 degrees lower. what was his temperature then?