Mark is making concrete. Concrete is made by mixing cement, sand and gravel in the ratio 1:2:3. Mark wants to make 600kg of concrete. How much sand does Mark need

What does a perpendicular line and ray look like

30. Each interior angle of a regular polygon is 4 times each exterior ang (a) Find the size of each exterior angle of the polygon. (b) Find the number of sides of the polygon.

How to write 40,023,032in word form

Solve the system by graphing or using a table y = x-2, y = - 2x + 7

Sandy has 16 roses, 8 daisies, ando 32 tulips. She wants to arrange al the flowers in boutiquets. Each buquet has the dame númber ofrece flowers and the same type ofrece flower. What is the greatest number of flowers that could be in a bouquet

An oil spill spreads 25 sqare meters every 1/6 hour. how much does it cover in 2 hours?

Is this a function or not a function

You borrow $3200 to buy new kitchen appliances. The simple interest rate is 5%. You pay the loan off after 4 years. What is the total amount you paid for the loan?

Select the correct answer. How do you calculate a nation's per capita income? A. Divide the total income by the size of the population. B. Divide the size of the population by the GDP. C. Divide the GDP by the size of the populati

What is 34,567.992 rounded to nearest thousandth