4. Solve the system of equations by inspection. Explain your reasoning.

-2x+4y = 5

-2x+4y = 6

How to prove two equations of pair of straight lines are parallel to each other?

What is the equivalent of 3x-5x

In the fifth grade at Lenape Elementary School, there are 4 7 as many girls as there are boys. There are 66 students in the fifth grade. How many students are girls?

Gavin bought 4 packages of chesse. Each package weighed 1.08 kilograms. How many kilograms of chesse did Gavin buy?

Simplify the following monomials: (4n²) (2n³)

The product of 4 and the sum of a number and 12 is at most 16

Are all circles the same size

In a competition sequence threw the javelin 69.93 meters this was an improvement of 8% on his previous best throw calculate the length of his previous best throw

Miguel is staining a wooden box. To determine how much stain he needs, he'll need to find the surface area of the box. True False

A serving of a certain breakfast cereal contains 5000 milligrams of salt. Raheem eats a 30 milligrams serving of that cereal. How much salt would that be in kilograms that he ate