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## Trigonometric Identities

Which of the following expressions can be simplified such that the result is equal to 1?

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Photo attributed to melburnian.

What is the value of 10-2 + 10-3 + 10-4?

## Miles of Calculations

One-hundredth of a mile equals approximately how many meters?

## Scientific Notation

2.4 x 10-6 x (5 x 106)2 = ?

## Units of Liquid

Joe has a water bottle with 106 units of liquid. He notice that his bathtub holds 102 water bottles. How many units of liquid does his bathtub hold?

## Area of the Shaded Triangle

Find the area of the shaded triangle, formed by the two squares below.

## English Tons

Given that there are approximately 2.1 lbs in a kilogram, how much more does a metric ton weigh than an English ton?

Given that:
4y + 6x = 26
3y – 6x = -12

What is 2x – 5y?

## DAT Math

If , what is the value of 45x?

## Victory For Dentists

A clinical study was done, calculating the percent of kids that brush their teeth twice a day.

The following data was obtained.

Which is the best term to describe this data?