Which of the following cannot be used as a reason in a proof?

A. definition

B. unproven theorem

C. postulate

D. proven theorem

Layla wants to build a wooden box with a volume of 454545 cubic centimeters. She started with a width of 3/text{ cm}3 cm3, start text, space, c, m, end text and a height of 3/text{ cm}3 cm3, start text, space, c, m, end text.

I came across this question on my homework and cannot figure it out. "The length of a rectangular garden is 2 4/9 yards. The width is 1/4 of the length. What is the area of the garden?"

Use the functions f (x) = 2x and g (x) = x^2+1 to find the value of each expression 1. f (g (3)) 2. f (3) + g (4) 3. f (5) - 2*g (1)

Ben wrestles in the 132 - to 138 - pound weight class. If he currently weighs 133 pounds, how much weight can he gain if he wishes to stay in the same class

When Matt was in London, he changed U. S. dollars for British poundd. The exchange rate was $1.50 = 1 British pound. Matt wanted to change $75 into pounds. How many pounds would hr get? Solve the problem using proportion and show your work

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.