There is a number that if you add 7 to it first, and then divide that total by 4, you get 10. what's the number?

do you know it?

What is the logarithmic function modeled by the following table? x f(x) 9 2 27 3 81 4

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

In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?