Bella is working on the world record for longest beaded necklace. she has 10,000 glass beads that have a diameter of 0.4 cm. if she strings these beads end to end, how long will her necklace be?

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers

What is the lcm of 16 and 40 ? 24 and 40 ?

Hardest math question of all time can you solve the equation. check for extraneous solutions.9∣9-8x∣ = 2x+3