If three samples have means of 10, 20, and 15, respectively, what is their grand mean?

Which basic geometric term has no width, no length, and no thickness? line b. point c. angle d. plane

45 was divided by a power of ten to get 4.5. what power of ten was it divided by? people 4.5

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?