An Air Canada airplane has an altitude of 10 ½ km. If the plane drops 2 ¼ km in altitude, what is the new altitude? PLEASE ANNSWER

Solve the equation 3x2 + 19x + 9 = 0 to the nearest tenth.

Ineed to know the answer to this algebra question.

Guys i need ! graded assignment grade 8 checkpoint 2, part 2 answer the questions below. when you are finished, submit this assignment to your teacher by the due date for full credit. total score: of 9 points (score for question 1: of 4 points) 1. the cost of renting a car for a day is $0.50 per mile plus a $15 flat fee. (a) write an equation to represent this relationship. let x be the number of miles driven and y be the total cost for the day. (b) what does the graph of this equation form on a coordinate plane? explain. (c) what is the slope and the y-intercept of the graph of the relationship? explain.