A countable set of circles can completely cover the unit square

Daniela received $30 as a birthday present and decided to save the money to buy a new video game console. From the following week onward, she added $12 to her savings each week. Let f (n) be Daniela's savings n weeks after her birthday.

What's three-eighths divided by four-ninths?

Two consecutive integers add to 51. what are the integers?

Any complex number can be put into the form a+bi, where a and b are real numbers. (True and False).

How to solve system of equations by elimination

A rectangle has length (4x+ 5) and breadth 3x. Find the area of the rectangle.

A pattern has 1,000 identical circles. If 665 of the circles are orange, what decimal represents the part of the pattern that is orange? Why? A. 665 B. 66.5 C. 6.65 D. 0.665

3.) What is h (5) ? What does this mean?

I was wondering how to find these things about the Singapore flyer (ferries wheel) ? The measure of the central angle in degrees, the measure of the central angle in radian, the arc length between two cars, and the area of a sector between two cars?

What is Charlotte has 12 T-shirts one fourth of her two shirts are green how many of charlottes T-shirts are green?