Solve the systems here using substitution.

4x = 8y 2x + 5y = 27

The school library has 32 shelves. each shelf has 48 book on it. how many books are in the school library?

If death valley has an a elevation of - 282 feet relative to sea level. explain how to use absolute value to describe the elevation of death valley as a positive integer?

The GCF of 28x^3 and 16x^2y^2

Charles and his brother are sharing the cost of a video game. The video game costs $30.70. If Charles saved $20 to buy the game how much does he have left after paying his share?

Solve the equation 5=1/2 v-3 v=?

how to solve this equation y=-2+6 and 3y-x+3=0

Anna has 7 baskets and flowers she has 5 fewer baskets than flowers how many flowers does Anna have

The angle at which the light ray hits the water is equal to the angle at which light ray is reflected from the water?

A force of 10N is applied on a table top length 3 feet and width 2 feet. If the pressure is defined by the force applied per unit area, what is the unit of pressure A. N x Feet B. N x Feet ^2 C. N/Feet D. N/Feet^2

Elmer has a collection of 300 fossils. Of these, 21%, percent are fossilized snail shells. How many fossilized snail shells does Elmer have?