Your answer is: 8x^4 y^5/7.
Use google just copy and paste it
Answer:
c. Measuring the differences in blood pressure before, during, and after a procedure.
Step-by-step explanation:
Quantitative research use instruments to measure the variables we are studying. You could measure the variable by using any instrument, in this case the blood preasure during a procedure could be measured with an instrument called sphygmomanometer. Other options couldn't be measured with any instrument.
It won't. Both are increasing by 1.5 every year. If you graph that, the lines will be parallel. Parallel lines have no intercept.