What is the sum of all two-digit whole numbers whose squares (think exponents!) end with the digits 21? What is the sum of the two digit numbers?
PLEASE HELP Choose one of the statement and diagram pairs from the matching activity. Write the proof.
You are walking from home to a clothing store. You stop for a rest after 1/2 miles. The clothing store is actually 3/5 miles from home. How much farther do you have to walk?
The average mass of a man is 84 kg and of a woman is 70 kg a lift can safely carry 620 kg work out the maximum number of people the lift can safely carry
the robots are powered coffee alone. They use 2 bags of coffee each day. how long will 1/4 of a bag last them?
students deliver newspapers and magazines to houses. one day,they have to deliver 875 newspapers and 1200 magazines. each student can deliver 35 newspapers or 50 magazines in 1 hour. each student can only work for 8 hours work out the minimum number of students needed