Como resolver lo siguiente ... 7x+14?

Which integer represents 100 feet below sea level

The area of a circle is 113.10 what is the radius

A plumber charges $52.50 per hour plus a $75.00 service charge. Your father's firm hired him to fix some leaky pipes.

49 more than the quotient of an unknown number and 12 is 53

Find two consecutive integers whose sum is 45

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.