Pencils come in packages of 20. Crayons come in packages of 15. Phylicia wants to purchase the
smallest number of pencils and crayons so that he
will have exactly I crayon per pencil. How many
packages of pencils and crayons should Phylicio buy?

The square pyramid has a volume of 441 cubic inches. what is the value of x? 1/7x is the height x is the base

How do i start to solve? would appreciate a walk-thru! a bird sitting 16ft above the ground in an apple tree dislodges an apple. after how many seconds does the apple land on the ground? (assuming that no branches will interfere with it's fall)

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?