One micrometer is 1 millionth of a meter. A red blood is about 7.5 micrometers in diameter. A course grain of sand is about 70 micrometers in diameter. Find the difference.

Simona's music book includes 50 piano tunes, of which 7 are by Bach, and 18 are by Mozart. If Simona chooses a tune at random, what is the probability that it is either by Bach or by Mozart?

How do (3m) equal four?

Jenny has a bookcase with 3 shelves. There are K books on each shelf. Using K, write an expression for the total number of books.

What is 9*3 + 1000*200-50?

4. Which is the best unit to use when measuring the length of a car: a meter or kilometer? 5. Which is the best unit for measuring the mass of a large pumpkin: grams or kilograms? 6.

A carpenter had a piece of wood that was 15 feet in length. If he needs only 10 &five twelfth feet of wood, then how much wood should he cut?

Y equals x plus 3 Y equals two x plus 4

Step 4: Factor the function to find the x-intercepts. The x-intercepts are:

How do i solve an inequality using a real-world situation

Tim has a savings account with the bank. The bank pays him 4% per year. He has $5,500 and wonders when it will reach $6,100. When will his savings reach $6,100?