Consider an mtimesn matrix A. Which of the subspaces Row Upper A, Co l Upper A, Nu l Upper A, Row Upper A Superscript Upper T, Co l Upper A Superscript Upper T, and Nu l Upper A Superscript Upper T are in set of real numbers R Superscript m and which are in set of real numbers R Superscript n? How many distinct subspaces are in this list?

Phillip had some bricks. he stacked them in 6 equal piles. which expression shows the number of bricks phillip put in each pile? let the variable m stand for the unknown number of bricks. m + 6 m÷6    m−6    6m

What is the multiplicative rate of change of the exponential function shown on the graph?

Martin likes to make flower bouquets that have 3 daffodils and 4 tulips per vase. a daffodil has a mass of d grams, a tulip has a mass of t grams, and the vase has a mass of u grams. the expression 5(3d + 4t + v) describes the mass of 5 bouquets. match each amount in the situation with the expression that represents it. situation expression number of bouquets mass of one bouquet mass of the tulips in one bouquet 4t mass of the daffodils in one bouquet 3d + 4t + v