Please answer ASAP will mark brainliest. If a reflection leaves a point unchanged, which of the following must be true (select all that apply):
1 The line of reflection must have a slope of 0.
2. The point must be the origin.
3. The line of reflection has a slope of 1.
4. The point lies on the line of reflection.

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.

If the class creates a histogram of the data in table, how many students are in the range 12cm to 13.9 cm

There are a total of 75 students in the robotics club and the science club. the science club has 11 more students than the robotics club. how many students are in the science club?