6% sales tax on $129.99 coat

solve 6x-2y=-12& y=3x+12

Explain how you will solve the pair of equations by substitution. show all steps and write the solution in (x, y) form.

What unit would you use to measure the mass of an object

one evening 1500 concert tickets were sold for the Jazz Fest. Tickets cost $30 for covered pavillion seats and $10 for lawn seat. Total reciepts were $32,000. How many tickets of each type were sold?

Find the missing coefficient. (52 - 7) (54 - 6) = 254 + _ d + 42

A newspaper reporter wants to know how popular the hobby of bird watching is in the city. He asked people at the local bird refuge if they watched birds as a hobby. Which of the following best explains whether the reporters data is valid or not?

I am very confused on how to figure out if y = 3/4x is proportional?

Alison wants to buy a mountain bike for $339.12. If she saves $28.26 each month, in how many months will she be able to buy the bike?

At 12 o'clock the temperature was 7°C. The temperature decreased by - 20°C. What is the new temperature?

Ashleys rentals charges $27.50 per hour to rent a surfboard and a wetsuit. Darlas surf shop charges $23.25 per hour to rent a surfboard plus $17 extra for a wetsuit.