Plz im being time what is the reciprocal of 6 1/4 ?

4/25
1/64
−6 1/4
−42/5

Tanya has $42 to spend at the dolphin island store. tshirts sell for $7 each and a pair of sunglases sells for $6.tanya buys 3 tshirts. how many pairs of sunglases can she buys with the amount of money she has left

How do you determine whether a relationship represented as as graph is linear or nonlinear

The volume of a sphere is increased by 6%. calculate the corresponding percentage increased in it area.