Which of the following is not a question to ask when determining whether an expression involving exponents is completely simplified?

a. are all parentheses gone?
b. are all exponents positive?
c. have all negative constants been eliminated?
d. have all powers with the same base been combined?

Find the values of the variables in the kite

In a coastal town, the humidity, measured in grams of water per kilogram of air, increases by 43% for every 1 degree celsius increase in temperature. a scientist observes that the humidity on monday morning is 5.75 grams per kilogram. he wants to know how much the temperature must increase for the humidity to reach at least 49.17 grams per kilogram. let t represent the increase in temperature, in degrees celsius, from monday morning's observation. write an inequality to represent the situation, and use it to determine the desired temperature increase.

At school 460 of the students walk to school the number of students who take public transit is 20% of the number of students who walk. how many students take public transit