Algebra Answers

 Emily and Andy each go to a hardware store to buy wire. The table shows the cost y in dollars for x inches of the wire they need. Emily needs 22 feet of the wire. Andy needs 13 yards of the wire. How much will each of them spend for​ wire?

Solve the pair of equation 2y^-1 -3z^-1=4 and 4y^-1+z^-1=1

Given that log4 (y-1) +log4(x/1)=1 and log2 (y+1)+log2 x=2,solve for x and y

Solve the equation m2 +n2=29 and m+n =7

Form the quadratic equation for which the sum of the roots is 5 and the sum of the squares of the roots is 53

A man who earns 400 pay 10% of the first 100 and 5% of the next 200 as tax. How much tax does he pay

A new car is purchased for 20700 dollars. The value of the car depreciates at 13.75% per year. What will the value of the car be, to the nearest cent, after 12 years?

Graph the line that passes through the points (-2, 5)

and (-2, -9) and determine the equation of the line.

Find the value of (x+Y)if x+Y=5 and x-Y=15

Find the value of (x+Y)if x+Y=5 and x-Y=15