Answer:
a.) (x+2)(x-5)
Step-by-step explanation:
First, you need to locate the x-intercepts. The x-intercepts are (-2,0) and (5,0). Then, you move everything to the same side.

Now that you have all of them on the same side, you just put them into an equation to get:

9514 1404 393
Answer:
variation is NOT direct
Step-by-step explanation:
The +1 tells you the variation is not direct. The equation of direct variation is of the form ...
y = kx
with nothing added.
Answer: Observational ; does not
Step-by-step explanation: The main distinguishing factor between an experimental study and an observational study lies in the administration of treatment to the participant of the study. In experimental study, some or all the participant in the study are subjected or exposed to a certain treatment and their response to such treatment. ON THE OTHER HAND, Observational study is usually employed when there is a need to gather information on a particular subject matter without directly influencing the participants. In the scenario above, participants were not given any TREATMENT as they were only required to gather information and not to measure the effect of a treatment.
The answer is 64 because (2^3) is 8 with an exponent of 2 is 64