For the given matrix
(1 1 -1 1). (3 -4 -5 -1). (6 -3 1 20). Multiply all entries in row one by -3, and then
add to the corresponding entries in row two,
what will the row two become?
A. (0 -7 -2 -4)
B.(0 -4 -5 -1)
C.(0 -1 -2 -4)
D. (0 -7 2)
E. None of them

What situation is an example of an observational study

The pyramid shown has a square base that is 24 centimeters on each side. the slant height is 16 centimeters. what is the lateral surface area?

A3cm×3cm\greend{3\,\text{cm} \times 3\,\text{cm}} 3cm×3cm start color greend, 3, space, c, m, times, 3, space, c, m, end color greend rectangle sits inside a circle with radius of 4cm\blued{4\,\text{cm}} 4cm start color blued, 4, space, c, m, end color blued . what is the area of the shaded region? round your final answer to the nearest hundredth.