Solving systems using substitution, i dont know how to do this equation y=...

i dont know how to do this equation y=x+3 2x+y=6

Function composition, Now we need to discuss the new method of combining fu...

Now we need to discuss the new method of combining functions. The new way of combining functions is called function composition. Following is the definition. Given two functions

Expressions and inequlites, A blue whale gains 2.3 tons a month for the fir...

A blue whale gains 2.3 tons a month for the first year of life. If a blue whale weighed 15 tons at birth, how much will it weigh on its first birthday?

Quadratic equations,

Help x.x, 2/3N + 4 = -26 solve for n, but what do i do with the fraction?...

2/3N + 4 = -26 solve for n, but what do i do with the fraction?

Graphing Equations, How do you graph 2x+3y=6?

How do you graph 2x+3y=6?

Find the equilibrium price, Suppose an economy has four sectors, Agricultur...

Suppose an economy has four sectors, Agriculture (A), Energy (E), Manufacturing (M), and Transportation (T). Sector A sells 10% of its output to E and 25% to M and retains the rest

How do I solve algebra word problems?, Bills Roast Beef sells 3 times as m...

Bills Roast Beef sells 3 times as many sandwiches as Pete''s deli. The difference between their sales is 170 sandwiches. How many sandwiches did each sell?

Charts, is (1,7),(2,7),(3,7),(5,7) a function

is (1,7),(2,7),(3,7),(5,7) a function

Prealgebra, a stack of disks is 0.5cm thick.how many disk each at 0.125cm t...

a stack of disks is 0.5cm thick.how many disk each at 0.125cm thick are in a stack?