Please can someone help me solve 10x+5=15

What can be said about the relationship between triangles and circles? check all that apply. a) many circles can be inscribed in a given triangle b) exactly one triangle can be inscribed in a given circle c) exactly one circle can be inscribed in a given triangle d) many triangular shapes can be circumscribed about a given circle

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

What is the upper quartile in the box plot?