Howard is doing a science experiment in which he needs several rocks each with a mass of 0.5 kg and a total mass of

34.5 kg. Does he need 6.9 rocks, 69 rocks, or 690 rocks for the experiment? Explain how you found your answer.

choose three numbers from 2 to 5 write the numbers as addends in addition sentence show two ways to find the sum

The R. R. Bowker Company of New York collects data on annual subscription rates to periodicals. Results are published in Library Journal.

Converting unit rates 50 pounds = blank oz

Nicholas is buying shirts for his baseball team. He will pay $9.50 for each shirt plus a one-time fee of $22.50 for the design. Which equation can by used to find y, the total cost to buy x shirts?

Jojo is planning on serving ice cream sundaes to 25 guests each tub of ice cream served 10 poeiple and costs $3.99 how much will he spend on icecream?

A box contains 9 plain pencils and 3 pens. A second box contains 3 color pencils and 5 crayons. One item from each box is chosen at random. What is the probability that a pen from the first box and a crayon from the second box are selected?

6x - 8y = 4 X-8y = - 26

0.0345 Mm to meters?

Solve for x: 5x + 2 = 4x - 9. 7 -7 11 -11

Ron practice piano 1 & 2/3 hours on Monday and 5/6 hours on Tuesday. how much did he practice altogether?