A party was organised for thirty people at which they could either have a hamburger or a pizza. If there were five times as many hamburgers as pizzas, calculate the number of each.

Use s=n2 to find the sum of 11+13 + ... + 701

Use compatible number to estimate the sum of 428+286

15 - (45 : (-5 * 9) + 6) : 1^5

If 4 apples have a mass of 1kg, about how many grams is each apple

An open top box with a square base is to be made from a square piece of cardboard that measures 24 inches on each side. A square will be cut from each corner of the cardboard and the sides will be turned up to form the box.

Hannah has a goal of running 42 miles this week. By Tuesday she had completed 20% of her goal. How many miles had she run by Tuesday?

2x + 3y is less than or equal to 15

Samantha has a pig enclosure that is 4 feet by 6 feet in her backyard. She wants to double the area of the enclosure by increasing the length and the width by the same amount.

Subtract (12x+9) from the sum of (5x^2+8x+6) and (8x^2+6x-6)

Simplify using the distributive property, Show all work (-2x - 9) (-4).