Astudent performed row operations on a matrix as shown below.
n
(4 1214
o -1 3 1
3 2 4 5
0
an
[4 1 214
0 -1 3
3 0 107
which operations did the student perform?
2r2+r3 r3
2r3+-r3 → r3
2r2+r3 → r2 r3
2r2 r3

Write the expression as a constant , a single trigonometric function, or a power of a trigonometric function. sin x cos x/ tan x

3382-299=3383- ? fill in the blank?

Agraphic designer created a logo on eight and a half by 11 inch paper. in order to be placed on a business card, the logo needs to be one and 7/10 inches by 2 and 1/5 in. what is the scale factor of the dilation