Gabe drops a hammer from an apartment that is 30 meters above the
ground. the height of the hammer from the ground (in meters), h, after t
seconds is modeled by the function shown.
h(t) = −t

2 − t + 30

find the number of seconds it will take for the hammer to hit the ground.
a 0
b 5
c 10
d 30

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.

Which statement shows that 6.24 is a rational number? a. 6.24 = 6.242424 b. 6.24 = 6.24 c. 6.24 = 68⁄33 d. 6.24 = 66⁄25

y=2x−1 5x−4y=1 is (1,1)(1,1) a solution of the system?