The mass of a block of iron is 35g. When the block of iron is added to a graduated cylinder containing 65 mL of water, the volume of the water and iron together is 69.5 mL. What is the density of the iron

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Divide. write in simplest form 41/6 divided by 10

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.