The sizes of the angles, in degrees, of the quadrilateral are 3x + 10

4x – 10

x + 62

2x + 68

Use this information to work out the size of the smallest angle of the quadrilateral.​

Find the number of positive three-digit even integers whose digits are among 9, 8, 7,5, 3, and 1.

A3-dimensional figure has a square base and 4 lateral faces that meet at a point. explain the difference between the cross sections when a slice is made perpendicular to the base through the vertex, and when a slice is made perpendicular to the base and not through the vertex

Afrequency table of grades has five classes (a, b, c, d, f) with frequencies of 3, 13, 14, 5, and 3 respectively. using percentages, what are the relative frequencies of the five classes?