Solve for

a. 7a-2b = 5a b

How many solutions does the following equation have? 7 (y + 3) = 5y + 8

What is half of 27 because i dont know how to do this

This recipe makes three portions of soup. Navina follows this recipe but only wants to make enough for one portion of soup.

You are writing up plans for building a table from a 4-foot-by-8-foot rectangular sheet of plywood. The table top will be a square, and the top face must be sanded.

What is the solution of this system of linear equations? 3y = 3/2x+6 1/2y-1/4x=3

What is the domain of f (x) = cos (x) ?

Mike and Kim invest $14,000 in equipment to print yearbooks for schools. Each yearbook costs $7 to print and sells for $35. How many yearbooks must they sell before their business breaks even?

What is the solution to the system of equations? Use the substitution method. j + k = 3 j - k = 7 A. The solution is (8, 1) B. The solution is (5, - 2) C. There is no solution. D. There are an infinite number of solutions.

30% of what number is 10.2

Long division 19 divide 23.94