I am bad at math can someone help for 15 points

Step-by-step explanation:

area of triangular face = ½·6·4 = 12 cm²

volume of prism = area of triangular face × length of prism = 12×7.5 = 90.0 cm²

radius of circle = 2.5/2 = 1.25 cm

area of circle = π1.25² = 1.5625π cm²

volume of cylinder = area of circle × length of cylinder = 1.5625π×7 = 34.4 cm²

6 hours 48 min

step-by-step explanation:

68÷5=13.6

13.6×30=408min=6 hours 48 min.

hope to and hope that my answer is brainliest.(follow me )

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation: