Sand Dollar is

Sand dollars , heart urchins and sea urchins are present in which of the following class ?

(a) Sand dollars, sea cucumbers and sea lilies are representatives of which phylum? What kindof symmetry the adult representatives of this phylum have ? Also mention what is specific about their body cavity ? (b) Name the organs of locomotion in these organisms.

Which of the following figures represent the relation between Currency, Rupee and Dollar?

A wallet containing 2 five-dollar bills, 9 ten-dollar bills, and 5 twenty-dollar bills is found and returned to its owner. The wallet's owner. The wallet's owner will reward the finder with 1 bill drawn randomly from the wallet. What is the probability that the bill drawn will be a twenty-dollar bill?

The second head of Sand Boa is

The second head of Sand Boa is

The second head of Sand Boa is

If carol earnsx dollars a week for 3 weeks and y dollars a week for 4 weeks, what is the average number of dollars per week that she earns?

if t ties cost d dollars, how many dollars would t+1 ties cost?

Dixie spent an average of x dollars on each of 5 shirts and an average of y dollars on each of 3 hats. In terms of x and y, how many dollars did she spend on shirts and hats?