What is 15/18 in simplest form

Angle A and angle B are supplementary. The measure of angle B is 15∘ less than the measure of angle A. What is the measure of angle B, in degrees?

Which expression is equivalent to - 16y+13? -16 (-y+13) 16 (-y+2) -16 (y+2) 16 (-y+13)

Lou has a solid clay brick in the shape of a rectangular prism with a length of 8 inches, a width of 3.5 inches, and a height of 2.25 inches. If the clay weighs 1.055 oz/in^3, how much does Lou's brick weigh, to the nearest ounce?

Shi Huangdi brought together the military and economic administration of all the territories. What kind of government did he establish? A) republican B) decentralized C) democratic D) centralized

Use the fact that the bacteria is doubling every five minutes. What fraction of the bottle was full at 11:20 am?

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.