A spring is stretched 0. 75 m by using a force of 30 n. What is the spring constant?.

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.

Two streets intersect at a 30- degree angle. at the intersection, the are four crosswalks formed that are the same length. what type of quadrilateral is formed by the crosswalks?

Which shows one way to determine the factors of 4x3 + x2 – 8x – 2 by grouping?