Point R is at (3, 1.3) and Point T is at (3, 2.4) on a coordinate grid. The distance between the two points is ___ . (Input numbers and decimal point only, such as 8.2.)

The mathematical expression 9€ t means

The ratio of the measures of the three angles in a triangle is 2: 9: 4. find the measures of the angels

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?