1. A customer went to HEB and paid 6 dollars for 1 apple and 3 oranges. A second customer paid 4 dollars more for 3 apples and 1 orange. Write a system of equations that can be used to find the cost of apples, x, and the cost of oranges, y. a. Write the system of linear equations
b. Graph the system of linear equations
c. What is the cost of an apple and an orange?

The slope of a line is -1/2 . what is the slope of a line that is parallel to it? a. 1/2 b.2 c. -1/2 d. -2

Trigonometry help asap

Phyllis and chen are saving money to go to a football game. each friend starts with some money and saves a specific amount each week. phyllis made a graph to show the total she has saved at the end of each week. chen wrote an equation to show the total, y, he has saved at the end of each week, x. y = 15x + 15 compare the amount that each friend has when both friends start saving. select the correct answer from the drop-down menu to complete the statement. phyllis starts with $ and chen starts with $