Without performing the calculations, which expression equals the greatest value? a) 1 2 × (2 + 7) b) 1 3 × (2 + 7) c) 1 4 × (2 + 7) d) 1 6 × (2 + 7)

The circumference of a redwood tree trunk is 20π ft, and it is 100 ft tall. what is the approximate volume of the redwood tree trunk? 1,000π ft3 10,000π ft3 4,000π ft3 40,000π ft3

Rectangle bcde is similar to rectangle vwxy. what is the length of side vy? a) 1 7 b) 2 7 c) 3 7 d) 4 7

In the equation sqrt(n+5)-sqrt(11-10)=1. what is the value of n