Solve the system by elimination.

-x-18y=-3

7x-9y=21

What single decimal multiplier would you use to increase by 7% followed by a 9% increase?

If x = 3, calculate the value of: x3 - x

The table below shows the cost for different numbers of tickets purchased with no discount. On Fridays, all tickets are discounted by $2. How much will 9 tickets cost on Friday?

Find the maxmium area of a rectangular plot of land which can be enclosed by rope of length 60 metres

Write the converse of the conditional statement. If a polygon is regular, then it has congruent angles and congruent sides.

How to solve this: a 20 inch flat panel computer monitor is on sale for $ 249.99. it was reduced $ 80.00 from the original price. Find the percentage reduction price.

What is the circular pattern of 18ft

What is the expression of (0.2) (14)

6/100 as a reduced fraction

Solve f (-4) if f (x) = - 4x - 2.