Solve the system of equations by the substitution method.

x+y=4

y=-3x

Y=3x-11 divided by 5. x=-1

How do you solve 2 times the sum of 3 and w

3. If you multiply an area in square feet by a height in feet, the result will have units of?

Solve cos 2m + sin m = 50, 0°< m< 360°

A newspaper charges $3 per line for the first 4 lines plus $20 fee to advertise

What is the value of the 2 in 0.812

determine whether each equation below does or does not represent a proportional Equation A y = x Equation B y = x + 2

Terry has a box that originally held 64 crayons. She is missing 25% of the crayons. How many crayons are missing?

1 Find the volume of a cube of edge 8 cm. 2 Find the volume of a rectangular prism 6 cm x 9 cm x 3 cm. 3 Find the volume of a triangular prism with base area 30 cm? and height 10 cm. 4 How many litres in 5000 mL? 5 The volume of a cube is 1331 cm'.

The ages of Edna, Ellie and Elsa are consecutive integers. The Sum of their ages is 111. What are their ages?