454.12kg; 3 significant digits

Brian is twice as old as Charlie. Three years from now, the sum of their ages will be 33. How old are Brian and Charlie today?

Phillip has $2,000 and spends $23.75 on supplies. He divides the remaining amount equally among his employees. How much does each employees receive

White whales can weigh up to 120,000 pounds. How many tons is this? a. 6 b. 60 c. 600 d. 6,000 (with explanation)

Elizabeth has a 15% discount coupon for a furniture store. She sees a new couch that she wants to buy. After the 15% discount was applied, Elizabeth paid $2,210 for the couch. What was the original price of the couch?

A bag contains 30 red tiles 15 green tiles and 5 yellow tiles one tile is drawn and then replaced then a second tile is drawn what is the probability that the first tile is yellow and tbe second tile green

Solve the inequality 4 (x+1) < 2x+3 Show steps

How many solutions does the equation 5x + 10 = 5x - 8 have?

Stan is on a bike ride. His GPS indicates that he has traveled exactly 18 miles and he is 32% complete with his total ride. How many miles long is Stan's ride?

What is the inverse of f (x) = The quantity of three x plus five, over seven.?

The diameter of a sphere is 2 ft. What is the sphere's volume? Round to the nearest tenth.