What are the possible dimensions of a rectangle with an area of 40 square units? check all that apply.
base: 8 units
height: 5 units

base: 8 units
height: 6 units

base: 4 units
height: 10 units

base: 4 units
height: 8 units

base: 20 units
height: 2 units

base: 2 units
height: 40 units

How many real and imaginary solutions does the equation x^2-3x=-2x-7 have?

Kelly is a salesperson at a shoe store, where she must sell a pre-set number of pairs of shoes each month. at the end of each work day the number of pairs of shoes that she has left to sell that month is given by the equation s=300-15x , where s is the number of pair of shoes kelly still needs to sell and x is the number of days she has worked that month. what is the meaning of the number 300 in this equation

Solve: 25 points find the fifth term of an increasing geometric progression if the first term is equal to 7−3 √5 and each term (starting with the second) is equal to the difference of the term following it and the term preceding it.