Evaluate: (4 + 6. 1) + 3

If Petar Stoychev swam the Channel in about 6 hours, 58 minutes, approximately how wide in miles is the English Channel?

Given the arithmetic sequence an = 4 + 8 (n - 1), what is the domain for n?

Henry plans to cover the box shown below in contact paper without any overlap. How many square centermiters will be covered with contact paper? (the length of the box is 18cm width is 12cm and height with is 10cm)

Solve 5 (5x-6) = 67.5

the total cost c a painter charges to paint a house depends on the number h of hours its takes to paint the house. this situation can be represented by the function rule c = 15h + 245. what is the cost if the painter works for 30.25 hours

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.