2/5 is larger than 1/4. what is the difference?

If 1 km = 0.621 miles, how many miles are in a centimeter

Hillel is juggling flaming torches to raise money for charity. his initial appearance raises $500\$500 $500 , and he raises $15\$15 $15 for each minute of juggling performance. the amount rr r of money hillel raises is a function of tt t , the length of his performance in minutes. write the function's formula.

Find the domain of the following expression: 1/(√x)-2