Help ? If anyone knows a answer key or something that’ll help me, I’ll really appreciate it.

Jacob signs up to work for 2 1/2 hours at the school carnival. if each work shift is 3/4 hour, how many shifts will jacob work? (i just want to double check : |, for anybody that responds! : )

If f(x) = x+8 and g(x) = 4x- 3, find (f+g)(x)

Askyscraper is 396 meters tall. at a certain time of day, it casts a shadow that is 332 meters long.at what angle is the sun above the horizon at that time?