What is the distance between (-21/2,3)and 1,-3)

What is 100,000 times 1/100,000, using the standard method of multiplication? write the answer as 10 to a power.

Interpret the following expression (5y^2-7)^3/(2y)^2

Define the type of sequence below. 7, 14, 28, 56, 112, a. neither arithmetic nor geometric b. arithmetic c. both arithmetic and geometric d. geometric