HEL A ball is shot into the air from the edge of a building, 50 feet above the ground. Its initial velocity is 20 feet per
second. The equation h(t) = -16t^2+20t + 50 can be used to model the height of the ball after t seconds.
About how long does it take for the ball to hit the ground? Round to the nearest tenth.

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.

Select the correct answer what is the most direct use of a compass in geometric constructions? a. to draw congruent angles b. to draw arcs of a given size c. to draw perpendicular lines d. to draw straight lines reset next next

How can (square root of 25) ^2 be rewritten?