The mass of a grain of sand is about 103 gram.

About how many grains of sand are there in a

2-kilogram bag of sand?

An online movie rental company charges $ 18 per month to watch up to 20 movies during that month. Milly can pay the fee of $18 per month or a 6-month fee of $ 102 for the same number of movies per month.

What is differnce when there is parentheses around a number being squared?

Give two examples of multi-step equation that have a solution of - 2

A boat heads north at 30 mph while a steamer heads east at 40 mph at the same time. When is the distance between them 50 mi?

Juan wants to paint the ceiling of his restaurant. The ceiling is in the shape of a square. Its side lengths are 48 feet. Suppose each can of paint will cover 192 square feet. How many cans will he need to paint the ceiling?

Annie is two years less than3 times as old as her sister. Write an expression that can be used to find Annie's age If Annie's sister is 5 years old how old is Annie

N/6=-8 solving equations?

8. Write an equation of the form an = a1 + d (n - 1) that would describes the nth term of the arithmetic sequence 7, 10, 13, 16, ...

Which number line represents the solution set for the inequality 2x24? + -10 -8 -6 4 - 2 0 2 4 6 8 10 + + + + + -4 -10 -8 -6 -2 0 + 6 + 10 2 4 8 + + -10 -8 --6 -4 O -2 2 4 6 8 10 -10 -8 --6 -4 -2 0 2 4 6 8 10

Let $s$ be a subset of $/{1, 2, 3, / dots, 100/}$, containing $50$ elements. how many such sets have the property that every pair of numbers in $s$ has a common divisor that is greater than 1?