Ndi Family income and its percentage spent on food in the case of
hundred families gave the following bivariate frequencies
distribution
Food expenditure
Family income (Rs.)
(in %)
200-300 300-400 400-500 500-600 600-700
10-15
3
7
15-20
4
9
4
20-25
7
6
12
5
25-30
3
10
19
8
Obtain the equations of the two lines of regression. Also find the
correlation between food expenditure and family income.

You are updating your garage and the only thing left to paint is your garage day. you're only going to paint the slide that faces the street. the garage door is 9 fert 8inches tall and 120 inches wide. you need to know the surface area of the side of the garage door to determine how much paint to buy. the hardware store sells paint by how much covers a square foot. what is the surface area you should report to the hardware store what is the answer

Find the solution of this system of equation -7x+y=-20 9x-3y=36

Which expression shows the sum of the polynomials with like terms grouped together