The price of a ring was increased by 9% to £1800. What was the price before the increase? Give your answer to the nearest penny.​

Aswim teacher sells lesson packages. the best deal has the highest ratio of lessons to total cost.swim lesson packagesnumber of lessons total cost$10$4010 1 $8015$80which package is the best deal? l lesson for $105 lessons for $4010 lessons for $8015 lessons for $80mark this and returnsave and exit

What is the value of x in the this question ?

Which value of m will create a system of parallel lines with no solution? y = mx - 6 8x - 4y = 12