Solve the triangle. Round to the nearest tenth when necessary or to the nearest minute as appropriate. A=26° B=51° c=28m

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.

Which equation can be used to solve for the unknown number? seven less than a number is thirteen. n-7=13 7-n=13 n+7=13 n+13=7

Y=4x^2+x-1 solve using quadratic formula