120 bacteria in a petri dish double every 30 minutes. Write an equation for the amount of bacteria after x hours.

Johns house is 12 miles away from school. He is 2/3 if the way home. How many miles has he walked? 8 16 18 24 Jill bought a 9 pound bag of cat food for her cats. She has used 4/5 of the bag.

3/4m+2=-10 solving 2 step equations

Pencils cost 17p each. How much would 22 pencils cost

The length of a rectangular garden is 9ft longer than its width. The gardens perimeter is 182 feet. Find the length of the garden.

Calculate the median 5,10,12,4,6,11,13,5

Which net matches the figure? a triangular prism a net of a square and four triangles a net of three rectangles and two triangles a net of four triangles a net of a hexagon and six triangles

A number cube lands showing an odd number it is rolled a second time and lands showing 6

write five pairs of integers (a, b) such that a divided / b is equal to 2 is is equal to - 3 one such pair is is 6 and - 2 because 6 divided by minus 2 is equal to minus 3

How do you write 21/7 as a whole number

Part of the proceeds from a garage sale was $510 worth of $10 and $20 bills. if there were only 6 more $10 bills than $20, find the number for each denomination