Hurry plsss
Which of the following statements is true about a 45°-45° right triangle with congruent legs?
A) The length of the hypotenuse is equal to the length of a leg multiplied by the square root of 2.
B) The length of the hypotenuse is equal to the length of a leg multiplied by the square root of 3.
C) The length of the hypotenuse is equal to the squared value of the length of one leg.
D) The length of the hypotenuse is equal to the cubed value of the length of one leg.

What is the size of the matrix resulting from

Lems1. the following data set represents the scores on intelligence quotient(iq) examinations of 40 sixth-grade students at a particular school: 114, 122, 103, 118, 99, 105, 134, 125, 117, 106, 109, 104, 111, 127,133, 111, 117, 103, 120, 98, 100, 130, 141, 119, 128, 106, 109, 115,113, 121, 100, 130, 125, 117, 119, 113, 104, 108, 110, 102(a) present this data set in a frequency histogram.(b) which class interval contains the greatest number of data values? (c) is there a roughly equal number of data in each class interval? (d) does the histogram appear to be approximately symmetric? if so,about which interval is it approximately symmetric?

What is the ratio for the surface areas of the cones shown below, given that they are similar and that the ratio of their radil and altitudes is 4: 3? 23