Ineed badly and quickly, pls do not answer if you just want the points. i need an accurate answer for this. cheers

using the principle of inclusion-exclusion, find the number of solutions of the equation:

e. g q10) c(18,8)

q11) ?

q12) ?

Find the zeros of each function. f(x) = 6x^2 - 7x - 20

Carl is hanging pictures in his home. there is a space on a wall that has a width of 4 feet. carl has pictures with different widths. which picture width would fit in the space on the wall? a. 46 inches b. 60 inches c. 50 inches d. 54 inches

The length of a rectangular plot of land is given by the expression 6x^3y^4. the width of the plot is given by the expression 5x^5y^4z. find an expression to represent the area of the rectangular plot.