Round the following numbers to 1 significant figure:
a) 25 637
b) £2.51
c)9877 m

Tessa bought stock in a restaurant for $253.00. her stock is now worth $333.96. what is the percentage increase of the value of tessa's stock? a.) 81% b.) 32% c.) 24% d.) 76%

I’ve been trying all day to figure this puzzle out. i need the work for it aswell. it is a factoring polynomials tarsia. the image is below.

700 miles the train takes 5 hours to a travel the distance at what unit rate is the train traveling?