4x+y=10 what is the missing value

Why do both ways of writing the number as tens and ones describe the same number?

If Briana sells $250,000 worth of cars, how much money will she make in commission?

Translate "the product of z, x, and y into a mathematical expression

Will is w years old. Ben is e years older. Jan is twice as old as Ben. Write an expression, in terms of w, for Jan's age.

Solve 5x + 7 > 17 mathematics

4 (csc60°) (sin300°) - tan^2 240°

What is the selling price for a $45 pair of shoes with a 15% markup

What is the answer how does the value of the digit 3 in the number 63,297 compare to the value of the digit 3 in the number 60,325 be sure to include what you know about place value in your answer

A pasta factory made 314.9 pounds of pasta in 4 minutes. How much pasta, on average, did the factory make each minute?

Argot is sewing a ribbon on a seam along the perimeter of a square pillow. The side length of the pillow is 2x2 + 1 inches, and its perimeter is 4 (2x2 + 1) inches. If x = 3.5, how much ribbon does she need?