What's 0.45 as a fraction in simplest form

How many dollars is 52 thousand pennies?

it's take 4 minutes to fill an empty aquarium to a depth of 2/5 meters. what is the unit rate in minutes per meter?

How to solve - 7 - 6x = 3x + 8

Your soccer club wants to sell frozen yogurt to raise money for new uniforms. The club has the choice of the two different size containers shown. Each container costs the club the same amount. The club plans to charge customers $2.50.

Find the axis of symmetry for this parabola y=-4x^2-8x-6 in an equation

Giant Department Stores, Inc. purchased bedroom curtains from The Linen Company for $6.19. The markup was $4.20. What was the selling price to the nearest cent?

If you were to sort 0.8, 1/4,.08, 8/10, what would be the order they would be in (smallest to biggest) ?

A regular polygon has all sides of equal length and all angles of equal measure. Which shapes below are subcategones regular polygons? Explain?

Whats does "mean" mean in math

If you take a number, times by 3 then subtract 6. You get the same as if you took the number, times by 7 then subtract 2. What is the number?