Determine which expression(s) is in its simplified form. select all situations that apply.

12/15
5/8
4/8
9/18
1/9

Missy took the act and was told her standard score (z-score) is –1. frank took the sat and was told his standard score (z-score) is –2. which student has a better chance of getting admitted to college based on their test score?

Divide. –4.2 ÷ 6 = a –0.7 b 0.7 c –7 d 7 me

Aresearch study is done to find the average age of all u.s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample