HELP ASAP! Given f(x) = ax^2 + c, list each characteristic of the function. What does a do?
What shifts the graph from going up to going down?
What does x^2 do?
What does c do?
What is the vertex?

An arrow is shot vertically upward at a rate of 180ft/s. use the projectile formula h=−16t2+v0t to determine at what time(s), in seconds, the arrow is at a height of 420ft. round your answer(s) to the nearest tenth of a second.

It took alice 5 5/6 hours to drive to her grandparents' house for . on the way home, she ran into traffic and it took her 7 3/8 hours. how much longer did the return trip take? write your answer as a proper fraction or mixed number in simplest form. the trip home took __hours longer. ?

Two times a number plus three times another number equals 4. three times the first number plus four times the other number is 7. find the numbers