X+5y=15

4x+5y=0

solve for x and y

You bought a magazine for $5 and four erasers you spent a total $25 how much did each erasers cost?

In a state where the sales tax is 5%, Gerald buys a chair for $89.95 and a couch for $257.00. How much sales tax does he pay on the items?

Alec sells life insurance part-time, door-to-door. He is paid a monthly commission. He receives 12% commission of his first $1,000 in sales and 15% commission of the balance of his sales.

Is 6 cm less than greater than or equal to 600 mm

there are 4/7 as many girls as there are boys. There are 66 students in the fifth grade. How many students are girls?

a payday loan store charges $40 for one month loan of $300. what annual interest rate is This equivalent to

The low temperatures for the week in Carrollton, in degrees Fahrenheit (°F), were 17, 41, 11, 14, 11, 13, and 15. What is the mean of the temperatures without the outlier?

What is 6 more per week than Theodore studies

Suppose there are 5 students in a room. The mean age is 20.2 20.2 years, and the median age is 19 19. If the youngest person leaves and is not replaced by another person, what happens to the mean and the median?

Write (7,3) and (4,0) in slope intercept form