8x-18=30

what is the answer

Six times a number plus three times a second number is 27. The second number is one more than two times the first number. What is the second number?

Marcus flipped a coin 800 times and it landed on heads 560 times. What us the relative frequency of the coin landing up based on the results of the experiment. 30% 70% 3% 7%

The owner of a small store buys coats for $45.00 each. Answer parts a and b. a. He sells the coats for $63.00 each. What percent of the purchase price is the sale price? The sale price is nothing % of the purchase price.

What is the measure of C? 38° 76° 90° 152°

A town plans to put a triangular garden in the town square. The base of the garden will be 9 m, and the height will be 16 m. What will be the area of the garden?

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.