For which of the following matrices can a determinant NOT be calculated? A. a 2 x 2 matrix
B. a 3 x 3 matrix that has no inverse.
C. a 2 x 3 matrix
D. a 5 x 5 identity matrix
E. an invertible 4 x 4 matrix

Idont get this question can someone me solve it? ** the distance light travels in one second (1 light second) is about 1.86 ×10^5 mi. saturn is about 475 light-seconds from the sun. about how many miles from the sun is saturn..my guess is 8.83* 10^7 you so much

What is the value of x? enter your answer in the box. photo attached.

#1-20 state whether the angles are alternate interior, alternate exterior, vertical, or corresponding angles.