How many different menus can be made showing 5 main courses from 15 choices?

When finding the inverse matrix the determinant can never be (fill in the blank)

A luncheon for 36 guests costs $207. what was the cost per guest?

Place value of 742,513

Describe the following sequence as arithmetic, geometric or neither. 2,4,8,12,14 ...

A sink fills with 2 liters of water every 2.5 minutes. what is the rate at which the sink is being filled?

64x = 8 What is value of x that makes the equation true?

Which equations are aquivan to 3/4 + - 7/4 check all that apply

Battery was charged. when the charging began it was 23% full after 30 minutes of charging the battery was 89% full. how fast was the battery charged? How long did it take the battery to be funny charged?

93*10 of 6th power whole number

1) What is 61% of 7.2?