Solve the system by substitution:

-4.5x-2y=-12.5

3.25x-y=-0.75

The sum of the interior angles of a polygon is 1080 degrees. How many sides does the polygon have?

Fill in the blank with the most appropriate word. growth occurs when a quantity grows by a constant amount in each unit of time. a) Exponential b) Quadratic c) Linear d) None

6x2+40=31x factorise the quadratic equation

True or false: Insurance premiums paid by the employer on the employee's behalf are a benefit.

Redlands School sent x students to a revision day. St Samuel's School sent twice as many students as Redlands School. Francis Long School sent 7 fewer students than Redlands School.

Five times a number yield 20

What is the line slope passing through (-3,1) and (-1,5) a. 2 b.-2 c.-1 d. 1

Problem 1. Martin opened a savings account with $50. Every week he deposited $10 into the account 1. Which equation best represents Martin's situation?

Coffee with sugar and milk added to it can contain up to how many calories

If the population of Town B is 50% greater than the population of Town A and the populations of Town C is 20% greater than the population of Town A, then what percent greater is the population of Town B tan the population of Town C