Let a be a 5 x 6 matrix. which of the following statements is false? a. the dimension of the null space of a could be 6. b. the dimension of the column space of a could be 6. c. the dimension of the null space of at could be 5. d. the dimension of the column space of at could be 5. e. the row space of a never equals r5.

Give all possible names for the line shown.calculation tip: lines can be written with either point first.

Abag contains 4 red, 7 blue and 5 yellow marbles. event a is defined as drawing a yellow marble on the first draw and event b is defined as drawing a blue marble on the second draw. if two marbles are drawn from the bag, one after the other and not replaced, what is p(b|a) expressed in simplest form? a. 7/16 b. 7/15 c. 14/16 d. 14/15

Define multiplicative inverse. give an example of a number and its multiplicative inverse.