Select the equation that represents the question.

35% of what number is 35?
please help

The mean temperature for the first 4 days in january was 7°c. the mean temperature for the first 5 days in january was 5°c. what was the temperature on the 5th day?

Onnie is considering doing some long term investing with money that she inherited. she would like to have $50,000 at the end of 30 years. approximately how much money would lonnie need to put into an account earning 6% interest compounded annually in order to meet her goal?

In which direction does the left side of the graph of this function point? a(x) = 3x - x2 + 4x - 2