Determine the volume of Concrete needed to Construct this ramp to the nearest tenth of a cubic metre.

plz let me know if you know the answer and how to work it out thanks​

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

Which expression converts 45 degree to radians

What is 140% of 25? because i need