There are 210 counters in a bag.

30% of these counters are red.

Work out the number of red counters in the bag.

The combustion of 0.25 mol of an unknown organic compound results in the release of 320 kJ of energy. Which of the compounds in the table could be the unknown compound?

What are opposite numbers

The ratio of Jared's stamps to Pablo's stamps is 4:7. if Jared has 36 stamps how many stamps does Paulo have?

Susan has 3 yards of fabric. she wants to make pillows that each require 3/5 of a yard of fabric. How many can she make

4. Calculate the volume of material used in making 100 ft of 4-in. type M, copper tubing.

Simplify: StartRoot StartFraction 27 x Superscript 12 Baseline Over 300 x Superscript 8 Baseline EndFraction EndRoot

5) Damien gets the train home from work 5 days a week. His daily ticket costs £4.20 but a weekly ticket is £18. Calculate the percentage he will save by buying a ticket each week rather than daily.

Denise Robb's account statement shows a $210.94 unpaid balance. With a periodic rate of 1.85%, what is the finance charge? She had new purchases of $341.22. What is the new balance?

Solve the inequality. 2 (4x - 3) ≥ - 3 (3x) + 5x? x ≥ 0.5 x ≥ 2 (-∞, 0.5] (-∞, 2]

Write an equation relating x and y