For questions 1-4, expand the following expressions to determine the standard form of each quadratic function:
1. f(x)=(x-5)(3-X)
2. g(x)=(x+6)(x+4)
3. h(x)=(x-2)(2x+7)
4. m(x)=(1+x)(3x-8)

Write the system of equations represented by the matrix. 0 1 2 4 -2 3 6 9 1 0 1 3

The scatter plot shows the number of animal cells clara examined in a laboratory in different months: plot ordered pairs 1, 20 and 2, 60 and 3,100 and 4, 140 and 5, 180 what is the approximate predicted number of animal cells clara examined in the 9th month?

If a revenue in total for a month was $9,950, fixed expenses were $9,000, and variable expenses were $300 what would be the total profit/ loss for the month?