Solve system of equations for y=3x-7 and 3x-y=7

1. How do you determine the constant that you should add to an expression in the form x^2+bx so that it becomes a perfect square trinomial? 2.

Solve for x in the equation x - 4 = 7. A. x = 3 B. x = - 3 C. x = 28 D. x = 11

Drag the correct steps into order to evaluate 42 + t6 for t = 12.

A factory produces 42,000 computer monitors per day. The manager of the factory claims that fewer than 660 defective computer monitors are produced each day. In a random sample of 240 computer monitors, there are 2 defective computer monitors.

Your consulting firm is submitting a bid for a big contract. From previous data, you know your firm has a 51% of successfully landing the contract. The agency to which you submitted your bid has asked for more information about your bid.

True or false the number 0 is the multiplicative identity?

What's joint frequency?

How do you solve 235+123 using a number line?

Tanisha has 3 1/4 feet of pink ribbon and 1 3/4 feet of yellow ribbon. How much more pink ribbon does Tanisha have than yellow ribbon? Write your answer in simplest form.

Which of the following equals the difference between the total surface area and base area of any three-dimensional figure? A. Slant height B. Perimeter C. Lateral area D. Altitude