Subtract. What is the difference (9* 10^10) - (4 x 10^10) in scientific notation? (9 * 10^10) - (4 x 10^10) = ? x 10^?​

Jane moves from a house with 71 square feet of closet space to an apartment with 45.44 square feet of closet space. what is the percentage decrease of jane’s closet space?

Edger needs 6 cookies and 2 brownies for every 4 plates how many cookies and brownies does he need for 10 plates

For the feasibility region shown below find the maximum value of the function p=3x+2y