Use the substitute method to solve the system of equations.

3x+y=10

y=2x

A. (-2,4)

B. (2,-4)

C. (2,4)

D. (4,2)

Julie is photocopying a letter. The original letter was 8 in wide and 11 in. long. The new copy is 12 in. wide. How long is the new copy of the letter?

X 2 + 12x+48=-x+6 by factoring

Colour walked the distance of 50 miles in six hours workout Collins average speed give your answer in miles per hour

A line is represented by the equation y = x + 2. Suppose the slope of the line was doubled and the value of the y-intercept was divided by 2. What is the equation of the new line? A. y=2x+1 B. 1/2y=x+4 C. 2y=x+1 D. y=1/2x+4

Bias binding is to be sewn around the edge of a rectangular tablecloth measuring 66 in. by 40 in. If the bias binding comes in packages containing 9 ft of binding, how many packages of bias binding are needed for the tablecloth?

Using the intermediate value theorem, determine, if possible, whether the function f has at least one real zero between a and b. f (x) = x^3+4x^2-6x-6 a=-6 b=-4

Jose bought a wallet for $19.95 and y hats for $5.99 each. Which of the following expressions shows the total amount of money he spent? Select one: a. 19.95y + 5.99y b. 19.95y + 5.99 c. 19.95 + 5.99y d. 19.95 + 5.99 + y

What type of number is - 240.1?

A beam of wood is 5m long and 36cm thick. It is made of 1.35m³ of wood. what is the width of beam?

How many feet of wood does marcus need for the frame?