## Solve this!

Solve this! Solve this! Sec (2sin-1 (-1/3))

## The first three terms

Find the first three terms of the sequence whose ‘ n^th ‘term is 1/n^2 + 1.

## The area of the quadrilateral

ABCD is a square of side 3, and E and F are the mid points of sides AB and BC respectively. What is the area of the quadrilateral EBFD?

## Solve for θ

Solve for θ 2 tan 2θ = tanθ+1

## Solve for X

Solve for X 3 sin 2 x – 5 sin x +2=0

## How many helpers are required to make the cakes

Helpers are needed to prepare for the fete. Each helper can make either 2 large cakes per hour, or 35 small cakes per hour. The kitchen is available for 3 hours and 20 large cakes and 700 small cakes are needed. How many helpers are required?

## The ratio of resultant solution

In what ratio should a 20% methyl alcohol solution be mixed with a 50% methyl alcohol solution so that the resultant solution has 40% methyl alcohol in it? Math practice – 30 minutes everyday for Success. http://www.ipracticemath.com/

## The length of arc AB

If the radius of the circle with center O is 7 and the measure of angle AOB is 100, what is the best approximation to the length of arc AB?