Robert is building a deck in his backyard. each piece of wood measures 42.5 inches. if he has 86 boards how like long are they altogether

Find the height of a square pyramid that has the volume of 32 ft.³ and a base lengthof 4 feet

Explain how you can find the missing fraction in 3 4/5 / (blank) 2 5/7. then find the missing fraction.

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?