Round 2.127 to the nearest hundredths, tenths and tens

You are given a piece of cardboard and asked to cut out a square of area (169y2 + 260y + 100) cm2. The side length of the square is ax + b cm, where a and b are whole numbers. Find an expression for the perimeter of the square.

A motorboat traveling with a current can go 120 km in 4 hours. Against the current, it takes 6 hours to go the same distance. Find the speed of the motorboat and speed of the current.

If sales tax is 9%, what is the tax on a sale of $3,000?

What's the volume of a cone with a height of 5 cm and a diameter of 2 cm

Two pages that faces each other in a book have 333 as the sum of their page numbers what is the number of pages that come first

Travis has a total of $60 in dimes and quarters. If he could switch the numbers of dimes with the number of quarters, he would have $87. How many of each coin dose he have?

Three friends split their lunch check, witch was $32.85 how much did each person have to pay if each one included a $2 tip?

What is 9/4 x 11/5?

What is the general form of the quadratic function?

Is y = 1/2x + 10 a linear function?