Which symbol replaces? to make the statement true. use these symbols,=

2*18-18? [ 28 - 3 * (2+4) ]

These are fr pionts

Which of the following represents "ten times the sum of a number and fourteen is equal to nine times the number" 10 (n+14) = 9N 10 (n+14) = N 10 (n+14) = 14

Anna burned 15 calories per minute running for x minutes and 10 calories per minute hiking for y minutes. She spent a total of 60 minutes running and hiking and burned 700 calories.

Mr. Fitch is looking at putting grass in his right triangular shaped backyard. The hypotenuse of his right triangle is 52 feet and one of the legs is 48 feet. He doesn't know the length of the other leg of the triangle.

About 30 miles west of Parker, Jimmy and Jack stopped at a gos station. He found o 12 oz package of Doritos on sale for $3.75 ond an 8.75 oz bag of Chex Mix on sale for $3.06.

A baker purchased 12 lb of wheat flour and 15 lb of rye flour for a total cost of $18.30. A second purchase at the same prices, included 15 lb of wheat flour and 10 lb of rye flour. The cost of the second purchase was $16.75.

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.