In an observational study, only one group is studied, and in an expirement, two groups are studied.
4x+ 3 = 3(2x-5) ;x=2; x^{2} = 4
Answer:
35.113 km per hour is the correct answer
Answer:
16.8 + (-18.6)
Step-by-step explanation:
A subtraction symbol and adding a negative are the same
